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21 ليفة
لِيفَة \ fibre, fiber: a thread-like part of sth. (wood, cotton, muscle, etc.). loofah: a climbing plant whose dried fruit is used as a brush for washing oneself; such a brush. -
22 loofah
لِيفَة \ fibre, fiber: a thread-like part of sth. (wood, cotton, muscle, etc.). loofah: a climbing plant whose dried fruit is used as a brush for washing oneself; such a brush. -
23 pelo
m.1 hair (cabello).la bañera estaba llena de pelos the bathtub was full of hair2 fur.3 down.4 nap.5 hairbreadth, narrow margin, small margin.6 head of hair, tresses.7 thrix.pres.indicat.1st person singular (yo) present indicative of spanish verb: pelar.* * *1 hair2 (de animal) coat, fur3 familiar bit\caérsele el pelo a alguien familiar to cop it, be for itcon pelos y señales in great detail, down to the last detailde medio pelo second-rateestar hasta los pelos familiar to be fed up (de, with)no tener pelos en la lengua to speak one's mind, not mince wordsno tener un pelo de tonto,-a familiar to be nobody's foolno verle el pelo a alguien to see neither hide nor hair of somebodyponer los pelos de punta to make one's hair stand on endpor los pelos by the skin of one's teethser un hombre de pelo en pecho familiar to be a real mansoltarse el pelo to let one's hair downtocarle un pelo a alguien to lay a finger on somebodytomar el pelo a alguien to pull somebody's legvenir al pelo familiar to be just the thingpelo de camello camelhair* * *noun m.1) hair2) fur3) pile* * *SM1) (=filamento) [de persona, animal] hair; [de barba] whisker; (Téc) fibre, fiber (EEUU), strand2) [en conjunto] [de persona] hair; (=piel) fur, coat; [de fruta] down; [de jersey] fluff; [de tejido] nap, pilepelo de camello — camel-hair, camel's hair (EEUU)
3) [de reloj] hairspring4) [de diamante] flaw5) (=grieta) hairline crack6) (=sierra) hacksaw blade7)a pelo * —
cabalgar o montar a pelo — to ride bareback
hacerlo a pelo — [sexualmente] to have unprotected sex
está más guapa a pelo que con maquillaje — she's prettier just as she is, without her make-up on
ir a pelo — (=sin sombrero) to go bareheaded; (=desnudo) to be stark naked
pasar el mono a pelo — [de drogas] to go through cold turkey
al pelo * —
te queda al pelo — it looks great on you, it fits like a glove
caérsele el pelo a algn esp Esp * —
¡se te va a caer el pelo! — you're (in) for it now!
con estos pelos * —
¡Juan viene a cenar y yo con estos pelos! — Juan is coming to dinner and look at the state I'm in!
así nos luce el pelo — and that's the awful state we're in, that's why we're so badly off
punta 1., 2)pasó el examen por los pelos — he passed the exam by the skin of his teeth, he scraped through the exam
8)un pelo * (=un poco) —
no se mueve un pelo de aire o viento — there isn't a breath of wind stirring
no afloja un pelo — Cono Sur he won't give an inch
* * *1) ( de personas) hairpelo rizado/liso or lacio — curly/straight hair
tiene un pelo divino — she has lovely o beautiful hair
llevar el pelo suelto — to wear one's hair down o loose
al pelo — (fam)
la falda le quedó al pelo — the skirt looked great on her
andar or estar con los pelos de punta — (CS fam) to be in a real state (colloq)
caérsele el pelo a alguien: se me cae el pelo my hair is falling out; se le está cayendo el pelo he's losing his hair; como te descubran se te va a caer el pelo if you get found out, you'll be for it o you've had it (colloq); con estos pelos (fam): y yo con estos pelos! look at the state I'm in!; con pelos y señales (fam) down to the last detail; de medio pelo (fam) <película/jugador> second-rate; echar el pelo (Chi fam) to live it up (colloq); no tiene pelos en la lengua (fam) he doesn't mince his words; no tienes/tiene (ni) un pelo de tonto (fam) you're/he's no fool; no verle el pelo a alguien (fam) not to see hide nor hair of somebody (colloq); ya no te vemos el pelo por aquí we never see you around here any more; ponerle a alguien los pelos de punta (fam) ( aterrorizar) to make somebody's hair stand on end (colloq); ( poner neurótico) (AmL) to drive somebody crazy o mad; por los pelos (fam) only just; se me/le ponen los pelos de punta (fam) it sends shivers down my/his spine, it makes my/his hair stand on end; tirarse de los pelos (fam): estaba que se tiraba de los pelos he was at his wit's end, he was tearing his hair out (in desperation); tocarle un pelo a alguien to lay a finger on somebody; tomarle el pelo a alguien (fam) ( bromeando) to pull somebody's leg (colloq); ( burlándose) to mess around with somebody (AmE), to mess somebody around (BrE); traído por or de los pelos — farfetched
2) (fam) ( poco)3) (Zool) ( filamento) hair; (pelaje - de perro, gato) hair, fur; (- de conejo, oso) furmontar a or (CS) en pelo — to ride bareback
4) ( de alfombra) pile* * *= hair, bristle.Ex. They are followed in turn by the see and see also references to the heading: HEAD see also BRAIN; EAR; EYE; FACE; hair; NOSE.Ex. A linear equation system is derived to calculate the physical deflection of bristles according to the force exerted on them from the surface of the paper.----* abundancia de pelo = hair coat.* aclarar el pelo = lighten + Posesivo + hair.* alisador del pelo = straightener, hair straightener.* apartarse el pelo de los ojos = flick + Posesivo + hair out of + Posesivo + eyes.* arrancarse el pelo a manojos = tear + Posesivo + hair out.* arreglarse el pelo = primp.* cable de pelos = stranded wire.* caída de pelo = hair loss.* champú para el pelo = hair shampoo.* con forma de pelo = hair-like.* con pelo cano = gray-haired, grey-haired.* con pelos y señales = blow-by-blow.* corte de pelo = hair cut.* del grosor de un pelo = hairline.* de medio pelo = small-time.* de pelo cano = gray-haired, grey-haired.* de pelo espeso y tieso = bushy-haired.* de pelo negro = dark-haired.* de pelo oscuro = dark-haired.* erizar los pelos = bristle.* escapar por los pelos = have + a close call, have + a narrow escape, have + a lucky escape, have + a close shave.* escape por los pelos = close call, close shave.* estilo de pelo = hairstyle.* fisura del grosor de un pelo = hairline fracture.* goma del pelo = hair bobble.* grieta del grosor de un pelo = hairline crack.* horquilla del pelo = hair grip.* horquilla para el pelo = bobby pin.* implante de pelo = hair implant.* lavado de pelo = shampooing.* lavarse el pelo = shampoo + Posesivo + hair, wash + Posesive + hair.* lavarse el pelo con champú = shampoo + Posesivo + hair.* manta de pelo = hair coat.* nacimiento del pelo = hairline.* no tener ni un pelo de tonto = there are no flies (on/about) + Pronombre.* no tener pelos en lengua = call + a spade a spade.* parecido a los pelos = hair-like.* pelo de caballo = horsehair.* pelo gris = grey hair [gray hair].* pelo lacio = straight hair.* pelo liso = straight hair.* pelos y señales = chapter and verse.* pérdida de pelo = hair loss.* pinza del pelo = hair claw.* pinzas del pelo = hair clip.* poner los pelos de punta = bristle, scare + the living daylights out of, frighten + the living daylights out of, frighten + Nombre + to death, make + Posesivo + hair stand on end, scare + the hell out of.* por los pelos = by the skin of + Posesivo + teeth, close call, close shave.* redecilla para el pelo = hairnet.* rizador del pelo = curler.* salvado por los pelos = saved by the bell.* salvarse por los pelos = have + a narrow escape, have + a lucky escape, have + a close call, have + a close shave.* secador de pelo = hairdryer, blow-dryer.* sexo a pelo = unprotected sex.* sin pelo = hairless.* sin pelos en la lengua = outspokenly.* sin venir a pelo = out of the blue, like a bolt out of the blue, for no reason, for no specific reason, for no particular reason, for no good reason.* suavizante del pelo = hair conditioner.* tener pelos en la lengua = mince + words.* tirarse de los pelos = tear + Posesivo + hair out.* tocarle un pelo a = lay + a finger on.* tomadura de pelo = ribbing.* tomar el pelo = tease, twit, taunt.* tomarle el pelo a = make + fun of.* * *1) ( de personas) hairpelo rizado/liso or lacio — curly/straight hair
tiene un pelo divino — she has lovely o beautiful hair
llevar el pelo suelto — to wear one's hair down o loose
al pelo — (fam)
la falda le quedó al pelo — the skirt looked great on her
andar or estar con los pelos de punta — (CS fam) to be in a real state (colloq)
caérsele el pelo a alguien: se me cae el pelo my hair is falling out; se le está cayendo el pelo he's losing his hair; como te descubran se te va a caer el pelo if you get found out, you'll be for it o you've had it (colloq); con estos pelos (fam): y yo con estos pelos! look at the state I'm in!; con pelos y señales (fam) down to the last detail; de medio pelo (fam) <película/jugador> second-rate; echar el pelo (Chi fam) to live it up (colloq); no tiene pelos en la lengua (fam) he doesn't mince his words; no tienes/tiene (ni) un pelo de tonto (fam) you're/he's no fool; no verle el pelo a alguien (fam) not to see hide nor hair of somebody (colloq); ya no te vemos el pelo por aquí we never see you around here any more; ponerle a alguien los pelos de punta (fam) ( aterrorizar) to make somebody's hair stand on end (colloq); ( poner neurótico) (AmL) to drive somebody crazy o mad; por los pelos (fam) only just; se me/le ponen los pelos de punta (fam) it sends shivers down my/his spine, it makes my/his hair stand on end; tirarse de los pelos (fam): estaba que se tiraba de los pelos he was at his wit's end, he was tearing his hair out (in desperation); tocarle un pelo a alguien to lay a finger on somebody; tomarle el pelo a alguien (fam) ( bromeando) to pull somebody's leg (colloq); ( burlándose) to mess around with somebody (AmE), to mess somebody around (BrE); traído por or de los pelos — farfetched
2) (fam) ( poco)3) (Zool) ( filamento) hair; (pelaje - de perro, gato) hair, fur; (- de conejo, oso) furmontar a or (CS) en pelo — to ride bareback
4) ( de alfombra) pile* * *= hair, bristle.Ex: They are followed in turn by the see and see also references to the heading: HEAD see also BRAIN; EAR; EYE; FACE; hair; NOSE.
Ex: A linear equation system is derived to calculate the physical deflection of bristles according to the force exerted on them from the surface of the paper.* abundancia de pelo = hair coat.* aclarar el pelo = lighten + Posesivo + hair.* alisador del pelo = straightener, hair straightener.* apartarse el pelo de los ojos = flick + Posesivo + hair out of + Posesivo + eyes.* arrancarse el pelo a manojos = tear + Posesivo + hair out.* arreglarse el pelo = primp.* cable de pelos = stranded wire.* caída de pelo = hair loss.* champú para el pelo = hair shampoo.* con forma de pelo = hair-like.* con pelo cano = gray-haired, grey-haired.* con pelos y señales = blow-by-blow.* corte de pelo = hair cut.* del grosor de un pelo = hairline.* de medio pelo = small-time.* de pelo cano = gray-haired, grey-haired.* de pelo espeso y tieso = bushy-haired.* de pelo negro = dark-haired.* de pelo oscuro = dark-haired.* erizar los pelos = bristle.* escapar por los pelos = have + a close call, have + a narrow escape, have + a lucky escape, have + a close shave.* escape por los pelos = close call, close shave.* estilo de pelo = hairstyle.* fisura del grosor de un pelo = hairline fracture.* goma del pelo = hair bobble.* grieta del grosor de un pelo = hairline crack.* horquilla del pelo = hair grip.* horquilla para el pelo = bobby pin.* implante de pelo = hair implant.* lavado de pelo = shampooing.* lavarse el pelo = shampoo + Posesivo + hair, wash + Posesive + hair.* lavarse el pelo con champú = shampoo + Posesivo + hair.* manta de pelo = hair coat.* nacimiento del pelo = hairline.* no tener ni un pelo de tonto = there are no flies (on/about) + Pronombre.* no tener pelos en lengua = call + a spade a spade.* parecido a los pelos = hair-like.* pelo de caballo = horsehair.* pelo gris = grey hair [gray hair].* pelo lacio = straight hair.* pelo liso = straight hair.* pelos y señales = chapter and verse.* pérdida de pelo = hair loss.* pinza del pelo = hair claw.* pinzas del pelo = hair clip.* poner los pelos de punta = bristle, scare + the living daylights out of, frighten + the living daylights out of, frighten + Nombre + to death, make + Posesivo + hair stand on end, scare + the hell out of.* por los pelos = by the skin of + Posesivo + teeth, close call, close shave.* redecilla para el pelo = hairnet.* rizador del pelo = curler.* salvado por los pelos = saved by the bell.* salvarse por los pelos = have + a narrow escape, have + a lucky escape, have + a close call, have + a close shave.* secador de pelo = hairdryer, blow-dryer.* sexo a pelo = unprotected sex.* sin pelo = hairless.* sin pelos en la lengua = outspokenly.* sin venir a pelo = out of the blue, like a bolt out of the blue, for no reason, for no specific reason, for no particular reason, for no good reason.* suavizante del pelo = hair conditioner.* tener pelos en la lengua = mince + words.* tirarse de los pelos = tear + Posesivo + hair out.* tocarle un pelo a = lay + a finger on.* tomadura de pelo = ribbing.* tomar el pelo = tease, twit, taunt.* tomarle el pelo a = make + fun of.* * *A [ Vocabulary notes (Spanish) ], [ Vocabulary notes (Spanish) ] (de personas — filamento) hair; (— conjunto) hairpelo rizado/liso or lacio curly/straight hairtengo que ir a cortarme el pelo I have to go and have my hair cuttiene un pelo divino she has lovely o beautiful hairtiene mucho pelo he has really thick hairsiempre lleva el pelo suelto she always wears her hair down o looseme encontré un pelo en la sopa I found a hair in my soupla falda le quedó al pelo the skirt looked great on her, she looked great in the skirtel dinero extra me viene al pelo the extra money is just what I needcaérsele el pelo a algn: se le está cayendo el pelo he's losing his haircomo te descubran se te va a caer el pelo if you get found out, you'll be for it o you've had it ( colloq)con estos pelos ( fam): ¡llegan dentro de media hora, y yo con estos pelos! they're arriving in half an hour and look at the state I'm in!con pelos y señales ( fam): me contó su viaje con pelos y señales she gave me a blow-by-blow account of her trip, she described her trip down to the last detaillo describió con pelos y señales she gave a very detailed description of himde medio pelo ( fam); ‹película/jugador› second-ratele regaló un anillo de medio pelo he gave her a rather tacky ringno tiene pelos en la lengua ( fam); he doesn't mince his wordsno tiene/tienes (ni) un pelo de tonto ( fam); you're/he's no fool, there are no flies on you/him ( colloq)hace mucho que no se le ve el pelo nobody's seen hide nor hair of him for agesya no te vemos el pelo por aquí we never see you around here any moreponerle a algn los pelos de punta ( fam) (aterrorizar) to make sb's hair stand on end ( colloq) (poner neurótico) ( AmL) to drive sb crazy o maduna película que te pone los pelos de punta a spine-chilling moviepor los pelos ( fam); only justse libró por los pelos de que lo detuvieran he narrowly o only just escaped being arrestedaprobó el examen por los pelos he just scraped through the exam (by the skin of his teeth)por un pelo ( AmL); justme salvé por un pelo I escaped by the skin of my teeth ( colloq)perdí el autobús por un pelo I just missed the bus, I missed the bus by a few secondspor un pelo no llego al banco I only just got to the bank in timese me/le erizaron los pelos ( fam); it sent shivers down my/his spine, it made my/his hair stand on endse me/le ponen los pelos de punta ( fam); it sends shivers down my/his spine, it makes my/his hair stand on endtirado de los pelos ( fam); farfetchedtirarse de los pelos ( fam): estaba que se tiraba de los pelos he was at his wit's end, he was tearing his hair out (in desperation)tocarle un pelo a algn to lay a finger on sbtomarle el pelo a algn ( fam): no va en serio, te están tomando el pelo they don't mean it, they're only joking o teasing o ( colloq) pulling your legme están tomando el pelo, ya me han cambiado la fecha cuatro veces they're messing me around, this is the fourth time they've changed the datetraído por or de los pelos farfetchedel argumento es de lo más traído de los pelos the plot is very farfetchedB ( fam)no me fío (ni) un pelo de ese tipo I don't trust that guy an inchno quiso aflojar (ni) un pelo he refused to budge an inchte queda un pelito corta it's a tiny o a wee bit short for youel gato va dejando pelos por toda la casa the cat leaves hairs all over the housela perra me dejó llena de pelos I got covered with dog-hairsun perro pequeño de pelo largo a small, long-haired dogmontar a or ( RPl) en pelo to ride barebackCompuestos:camelhairangora, angora woolelephant hairD (de una alfombra) pileuna alfombra de pelo largo a shag-pile carpeteste suéter suelta mucho pelo this sweater leaves a lot of fluff everywhere* * *
Del verbo pelar: ( conjugate pelar)
pelo es:
1ª persona singular (yo) presente indicativo
peló es:
3ª persona singular (él/ella/usted) pretérito indicativo
Multiple Entries:
pelar
pelo
pelar ( conjugate pelar) verbo transitivo
1
‹habas/marisco› to shell;
‹ caramelo› to unwrap
2 ( rapar): lo peloon al cero or al rape they cropped his hair very short
3 (fam) ( en el juego) to clean … out (colloq)
4 (Chi fam) ‹ persona› to badmouth (AmE colloq), to slag off (BrE colloq)
pelarse verbo pronominal ( a causa del sol) [ persona] to peel;
[cara/hombros] (+ me/te/le etc) to peel;
pelo sustantivo masculino
1 ( de personas) hair;
pelo rizado/liso or lacio curly/straight hair;◊ tiene mucho/poco pelo he has really thick/thin hair;
llevar el pelo suelto to wear one's hair down o loose;
se le está cayendo el pelo he's losing his hair;
con pelos y señales (fam) down to the last detail;
no tiene pelos en la lengua (fam) he doesn't mince his words;
se me/le ponen los pelos de punta (fam) it sends shivers down my/his spine, it makes my/his hair stand on end;
tomarle el pelo a algn (fam) ( bromeando) to pull sb's leg (colloq);
( burlándose) to mess around with sb (AmE), to mess sb around (BrE)
2 (Zool) ( filamento) hair;
( pelaje — de perro, gato) hair, fur;
(— de conejo, oso) fur;
3 ( de alfombra) pile
pelar verbo transitivo
1 (piel, fruta) to peel
2 (un ave) to pluck
3 fam (cortar el pelo a) to cut the hair of
♦ Locuciones: hace un frío que pela, it's freezing cold
duro de pelar, a hard nut
pelo sustantivo masculino
1 (de una persona) hair
2 (de un animal) coat, fur
♦ Locuciones: caérsele el pelo a alguien: si te pescan, se te va a caer el pelo, if they catch you, you'll get it
no tener un pelo de tonto, to be no fool
no tener pelos en la lengua, not to mince words
poner los pelos de punta, to give the creeps
tomarle el pelo a alguien, to pull sb's leg
venir al pelo, to come just right
con pelos y señales, in full detail
por los pelos, by the skin of one's teeth
' pelo' also found in these entries:
Spanish:
aclarado
- ahuecar
- alisarse
- arremolinarse
- barba
- caerse
- caída
- calva
- canosa
- canoso
- caracol
- castaña
- castaño
- cepillarse
- cepillo
- cerda
- cero
- cinta
- comer
- copete
- cortarse
- corte
- crespa
- crespo
- de
- decir
- decolorarse
- diadema
- el
- enjuagar
- enredar
- enredarse
- erizar
- estropajosa
- estropajoso
- fastidiar
- fijador
- fosca
- fosco
- ir
- gancho
- goma
- grasa
- grasienta
- grasiento
- graso
- horquilla
- laca
- lazada
- llevar
English:
applicant
- arrange
- artificial
- balding
- bareback
- bleach
- blow-dry
- bob
- body
- braid
- bristle
- brush
- bun
- bushy
- clip
- coat
- come out
- conditioner
- consent
- crew cut
- crop
- curl
- dark
- deceive
- disheveled
- dishevelled
- do
- dye
- fair
- fall out
- false
- flowing
- fly
- fool
- fringe
- frizzy
- fur
- fuzzy
- gel
- get
- ginger
- glossy
- greasy
- grey
- grey-haired
- grow
- hair
- hair-clippers
- hair-conditioner
- hair-restorer
* * *pelo nm1. [cabello] hair;hay un pelo en la sopa there's a hair in my soup;la bañera estaba llena de pelos the bathtub was full of hairs;se me está cayendo el pelo I'm losing my hair;tiene un pelo rubio precioso she has lovely fair hair;cortarse el pelo [uno mismo] to cut one's (own) hair;[en peluquería] to have one's hair cut;teñirse el pelo to dye one's hair;llevar el pelo recogido/suelto to wear one's hair up/loose;se le va a caer el pelo he'll be in big trouble;Méx Famde pelos [muy bien] great;Chile Famechar el pelo to chill;Famestar hasta los pelos to be fed up;así te luce el pelo: no estudias nada y así te luce el pelo en los exámenes you never study and it shows in your exam results;de medio pelo second-rate;Famte voy a dar para el pelo I'm going to give you what for;ser un hombre de pelo en pecho to be a real man;por los pelos, por un pelo by the skin of one's teeth, only just;CSur Famponer a alguien los pelos de punta to make sb's hair stand on end;se me pusieron los pelos de punta it made my hair stand on end;con pelos y señales with all the details;no tiene pelos en la lengua she doesn't mince her words;no tiene un pelo de tonto he's nobody's fool;soltarse el pelo to let one's hair down;tirarse de los pelos [de desesperación] to tear one's hair out;tocar un pelo (de la ropa) a alguien [hacerle daño] to lay a finger on sb;no le toqué un pelo I never touched her, I never laid a finger on her;tomar el pelo a alguien to pull sb's leg;traído por los pelos [argumento, hipótesis] farfetched;venir a pelo [en la conversación, discusión] to be relevant;venir al pelo a alguien to be just right for sb;no ver el pelo a alguien not to see hide nor hair of sb;Fam¡y yo con estos pelos!: ¡mi novio ha llegado y yo con estos pelos! my boyfriend's arrived and I am in such a state o look such a mess!2. [pelaje] [de oso, conejo, gato] fur;[de perro, caballo] coat; Fampresentarse a un examen a pelo to go to an exam unprepared;Esp muy Famfollar a pelo to ride bareback [have unprotected sex]pelo de camello [tejido] camel hair3. [de melocotón] down4. [de una tela, tejido] nap;[de alfombra] pile;pasarse un pelo to go a bit too far;no me gusta (ni) un pelo ese tipo I don't like that guy at all* * *mtiene el pelo muy largo he has very long hair;por los pelos fam by a hair’s-breadth, by a whisker fam ;por un pelo just, barely;los pelos se me ponen de punta fig my hair stands on end;tirarse de los pelos fig fam tear one’s hair out;traído por los pelos fig far-fetched;soltarse el pelo fig fam let one’s hair down fam2 de animal fur;montar a pelo ride bareback;tomar el pelo a alguien fam pull s.o.’s leg fam ;con pelos y señales in minute detail;hombre de pelo en pecho real man;(ni) un pelo not at all;no cortarse (ni) un pelo not be shy;no tiene un pelo de tonto fig fam there are no flies on him fam, he’s no fool;no tener pelos en la lengua fig fam not mince one’s words fam* * *pelo nm1) : hair2) : fur3) : pile, nap4)a pelo : bareback5)con pelos y señales : in great detail6)no tener pelos en la lengua : to not mince words, to be blunt7)tomarle el pelo a alguien : to tease someone, to pull someone's leg* * *pelo n1. (en general) hair2. (de animal) fur -
24 fiberbørste
subst. fibre brush -
25 ♦ carbon
♦ carbon /ˈkɑ:bən/n.1 [u] (chim.) carbonio3 [u] (elettr.) carbone● (elettr.) carbon arc, arco a carbone □ carbon black, nerofumo □ (elettr., autom.) carbon brush, spazzola di carbone □ (ecol.) carbon capture and storage, cattura e stoccaggio del carbonio □ carbon copy, copia carbone; (fig.) copia identica; replica perfetta □ (ecol., econ.) carbon credits, crediti di emissione □ (biol., astron.) carbon cycle, ciclo del carbonio □ carbon dating, datazione al carbonio (14) □ (chim.) carbon dioxide, anidride carbonica; biossido di carbonio □ (ecol.) carbon emissions, emissioni di CO2 □ carbon fibre, fibra di carbonio □ (ecol.) carbon footprint, impatto delle attività umane sull'ambiente (in termini di emissioni di CO2) □ (fis. nucl.) carbon-14, carbonio 14; radiocarbonio □ (chim.) carbon monoxide, monossido di carbonio □ (ecol.) carbon neutral, che non immette anidride carbonica nell'atmosfera; a basso consumo di energia fossile □ (ecol.) carbon offset, compensazione delle emissioni di CO2 □ carbon paper, carta carbone □ (fotogr.) carbon process, processo al carbone □ (ecol.) carbon sink, pozzo di (assorbimento del) carbonio □ (metall.) carbon steel, acciaio al carbonio □ (fisc.) carbon tax, imposta sulle emissioni di fumi da combustibili fossili; ecotassa. -
26 Kohlefaserbürste
Kohlefaserbürste f carbon-fibre brushDeutsch-Englisch Wörterbuch der Elektrotechnik und Elektronik > Kohlefaserbürste
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27 dusting
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28 Heilmann, Josué (Joshua)
SUBJECT AREA: Textiles[br]b. 1796 Alsaced. 1848[br]Alsatian inventor of the first machine for combing cotton.[br]Josué Heilmann, of Mulhouse, was awarded 5,000 francs offered by the cotton spinners of Alsace for a machine that would comb cotton. It was a process not hitherto applied to this fibre and, when perfected, enabled finer, smoother and more lustrous yarns to be spun. The important feature of Heilmann's method was to use a grip or nip to hold the end of the sliver that was being combed. Two or more combs passed through the protruding fibres to comb them thoroughly, and a brush cylinder and knife cleared away the noils. The combed section was passed forward so that the part held in the nip could then be combed. The combed fibres were joined up with the length already finished. Heilmann obtained a British patent in 1846, but no machines were put to work until 1851. Six firms of cotton spinners in Lancashire paid £30,000 for the cotton-combing rights and Marshall's of Leeds paid £20,000 for the rights to comb flax. Heilmann's machine was used on the European continent for combing silk as well as flax, wool and cotton, so it proved to be very versatile. Priority of his patent was challenged in England because Lister had patented a combing machine with a gripper or nip in 1843; in 1852 the parties went to litigation and cross-suits were instituted. While Heilmann obtained a verdict of infringement against Lister for certain things, Lister also obtained one against Heilmann for other matters. After this outcome, Heilmann's patent was bought on speculation by Messrs Akroyd and Titus Salt for £30,000, but was afterwards resold to Lister for the same amount. In this way Lister was able to exploit his own patent through suppressing Heilmann's.[br]Bibliography1846, British patent no. 11,103 (cotton-combing machine).Further ReadingFor descriptions of his combing machine see: W.English, 1969, The Textile Industry, London; T.K.Derry and T.I.Williams, 1960, A Short History of Technology from the Earliest Times to AD 1900, Oxford; and C.Singer (ed.), 1958, A History of Technology, Vol.IV, Oxford: Clarendon Press.RLHBiographical history of technology > Heilmann, Josué (Joshua)
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29 Swan, Sir Joseph Wilson
[br]b. 31 October 1828 Sunderland, Englandd. 27 May 1914 Warlingham, Surrey, England[br]English chemist, inventor in Britain of the incandescent electric lamp and of photographic processes.[br]At the age of 14 Swan was apprenticed to a Sunderland firm of druggists, later joining John Mawson who had opened a pharmacy in Newcastle. While in Sunderland Swan attended lectures at the Athenaeum, at one of which W.E. Staite exhibited electric-arc and incandescent lighting. The impression made on Swan prompted him to conduct experiments that led to his demonstration of a practical working lamp in 1879. As early as 1848 he was experimenting with carbon as a lamp filament, and by 1869 he had mounted a strip of carbon in a vessel exhausted of air as completely as was then possible; however, because of residual air, the filament quickly failed.Discouraged by the cost of current from primary batteries and the difficulty of achieving a good vacuum, Swan began to devote much of his attention to photography. With Mawson's support the pharmacy was expanded to include a photographic business. Swan's interest in making permanent photographic records led him to patent the carbon process in 1864 and he discovered how to make a sensitive dry plate in place of the inconvenient wet collodian process hitherto in use. He followed this success with the invention of bromide paper, the subject of a British patent in 1879.Swan resumed his interest in electric lighting. Sprengel's invention of the mercury pump in 1865 provided Swan with the means of obtaining the high vacuum he needed to produce a satisfactory lamp. Swan adopted a technique which was to become an essential feature in vacuum physics: continuing to heat the filament during the exhaustion process allowed the removal of absorbed gases. The inventions of Gramme, Siemens and Brush provided the source of electrical power at reasonable cost needed to make the incandescent lamp of practical service. Swan exhibited his lamp at a meeting in December 1878 of the Newcastle Chemical Society and again the following year before an audience of 700 at the Newcastle Literary and Philosophical Society. Swan's failure to patent his invention immediately was a tactical error as in November 1879 Edison was granted a British patent for his original lamp, which, however, did not go into production. Parchmentized thread was used in Swan's first commercial lamps, a material soon superseded by the regenerated cellulose filament that he developed. The cellulose filament was made by extruding a solution of nitro-cellulose in acetic acid through a die under pressure into a coagulating fluid, and was used until the ultimate obsolescence of the carbon-filament lamp. Regenerated cellulose became the first synthetic fibre, the further development and exploitation of which he left to others, the patent rights for the process being sold to Courtaulds.Swan also devised a modification of Planté's secondary battery in which the active material was compressed into a cellular lead plate. This has remained the central principle of all improvements in secondary cells, greatly increasing the storage capacity for a given weight.[br]Principal Honours and DistinctionsKnighted 1904. FRS 1894. President, Institution of Electrical Engineers 1898. First President, Faraday Society 1904. Royal Society Hughes Medal 1904. Chevalier de la Légion d'Honneur 1881.Bibliography2 January 1880, British patent no. 18 (incandescent electric lamp).24 May 1881, British patent no. 2,272 (improved plates for the Planté cell).1898, "The rise and progress of the electrochemical industries", Journal of the Institution of Electrical Engineers 27:8–33 (Swan's Presidential Address to the Institution of Electrical Engineers).Further ReadingM.E.Swan and K.R.Swan, 1968, Sir Joseph Wilson Swan F.R.S., Newcastle upon Tyne (a detailed account).R.C.Chirnside, 1979, "Sir Joseph Swan and the invention of the electric lamp", IEEElectronics and Power 25:96–100 (a short, authoritative biography).GWBiographical history of technology > Swan, Sir Joseph Wilson
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