-
1 X-rays
eks'reiz
1. noun plural(rays which can pass through many substances impossible for light to pass through, and which produce a picture of the object through which they have passed.) rayos X- X-ray
2. verb(to take a photograph of using X-rays: They X-rayed my arm to see if it was broken.) hacer una radiografía -
2 ultraviolet
((of light) consisting of rays from the invisible part of the spectrum beyond the purple, that have an effect on the skin, eg causing suntan.) ultravioletatr[ʌltrə'vaɪələt]1 ultravioletaultraviolet [.ʌltrə'vaɪələt] adj: ultravioletaadj.• ultravioleta (Física) adj.'ʌltrə'vaɪələtadjective <light/rays> ultravioleta adj inv['ʌltrǝ'vaɪǝlɪt]1.ADJ ultravioleta inv2.CPDultraviolet light N — luz f ultravioleta
ultraviolet radiation N — radiación f ultravioleta
ultraviolet rays NPL — rayos mpl ultravioleta
ultraviolet treatment N — tratamiento m de onda ultravioleta
* * *['ʌltrə'vaɪələt]adjective <light/rays> ultravioleta adj inv -
3 ray
rei1) (a narrow beam (of light, heat etc): the sun's rays; X-rays; heat-rays; a ray of light.) rayo2) (a slight amount (of hope etc).) brizna, resquicioray n rayotr[reɪ]1 (fish) raya————————tr[reɪ]1 (note) re nombre masculino————————tr[reɪ]1 (of light) rayoray ['reɪ] n1) : rayo m (de la luz, etc.)a ray of hope: un resquicio de esperanza2) : raya f (pez)n.• bráctea s.f.• raya s.f.• rayo s.m.v.• emitir rayos v.reɪ1) ( beam) rayo m2) ( Mus) re m3) ( Zool) raya f
I
[reɪ]N2) (fig) (=trace)
II
[reɪ]N (=fish) raya f ; stingray
III
[reɪ]N (Mus) re m* * *[reɪ]1) ( beam) rayo m2) ( Mus) re m3) ( Zool) raya f -
4 Ray
rei1) (a narrow beam (of light, heat etc): the sun's rays; X-rays; heat-rays; a ray of light.) rayo2) (a slight amount (of hope etc).) brizna, resquicioray n rayotr[reɪ]1 (fish) raya————————tr[reɪ]1 (note) re nombre masculino————————tr[reɪ]1 (of light) rayoray ['reɪ] n1) : rayo m (de la luz, etc.)a ray of hope: un resquicio de esperanza2) : raya f (pez)n.• bráctea s.f.• raya s.f.• rayo s.m.v.• emitir rayos v.reɪ1) ( beam) rayo m2) ( Mus) re m3) ( Zool) raya f[reɪ]N (familiar form) of Raymond* * *[reɪ]1) ( beam) rayo m2) ( Mus) re m3) ( Zool) raya f -
5 focus
'foukəs
1. plurals - focuses, foci; noun1) (the point at which rays of light meet after passing through a lens.) foco2) (a point to which light, a look, attention etc is directed: She was the focus of everyone's attention.) foco, centro
2. verb1) (to adjust (a camera, binoculars etc) in order to get a clear picture: Remember to focus the camera / the picture before taking the photograph.) enfocar2) (to direct (attention etc) to one point: The accident focussed public attention on the danger.) centrar, concentrar•- focal- in
- out of focus
focus n focotr['fəʊkəs]1 foco2 (centre) centro1 (camera etc) enfocar (on, -)2 figurative use (concentrate) fijar (on, en), centrar (on, en)1 (camera, eyes, etc) enfocar (on, -), fijar (on, en)2 (concentrate) centrarse, concentrarse (on, en)\SMALLIDIOMATIC EXPRESSION/SMALLin focus enfocado,-aout of focus desenfocado,-a1) : enfocar (un instrumento)2) concentrate: concentrar, centrarfocus vi: enfocar, fijar la vista1) : foco mto be in focus: estar enfocado2) focusing: enfoque m3) center: centro m, foco mn.(§ pl.: focuses, or: foci) = enfoque (OPT, INF) s.m.• foco (OPT) s.m.v.• enfocar v.• fijar v.'fəʊkəs
I
1) u (Opt, Phot) foco mto be in focus — estar* enfocado
to be out of focus — estar* desenfocado
to bring o get something into focus — enfocar* algo
to come into focus — \<\<picture\>\> entrar en foco
2) c ( central point) centro mto be the focus of attention — ser* el centro de atención
3) c (Phys, Math) foco m
II
1.
-s- or - ss- transitive verba) (Opt, Phot) enfocar*to focus something ON something/somebody: she focused her binoculars on the yacht — enfocó el yate con los prismáticos
b) ( concentrate)to focus something (ON something) — \<\<light/radiation\>\> concentrar algo (en algo); \<\<attention\>\> centrar algo (en algo)
2.
via) \<\<camera/eyes\>\> enfocar*to focus ON something/somebody: his eyes were unable to focus on the small print no podía fijar la vista en la letra pequeña; the spotlight focused on the singer el reflector enfocó al cantante; try to focus on the tree — trata de enfocar el árbol
b) \<\<lecturer/chapter/attention\>\>['fǝʊkǝs]to focus ON something/somebody — centrarse en algo/alguien
1.N(pl focuses or foci) ['fǝʊsaɪ] (gen) foco m ; [of attention] centro m, foco mhe was the focus of attention — era el centro or foco de atención
to be in focus — (Phot) estar enfocado
to be out of focus — (Phot) estar desenfocado
2.VT [+ camera, instrument] enfocar (on a); [+ attention] centrar, concentrar (on en)to focus one's eyes on sth/sb — fijar la mirada en algo/algn
3.VIto focus (on) — [light] converger (en); [heat rays] concentrarse (en); [eyes] fijarse (en)
to focus on sth — (Phot) enfocar algo
4.CPDfocus group N — grupo m de discusión
* * *['fəʊkəs]
I
1) u (Opt, Phot) foco mto be in focus — estar* enfocado
to be out of focus — estar* desenfocado
to bring o get something into focus — enfocar* algo
to come into focus — \<\<picture\>\> entrar en foco
2) c ( central point) centro mto be the focus of attention — ser* el centro de atención
3) c (Phys, Math) foco m
II
1.
-s- or - ss- transitive verba) (Opt, Phot) enfocar*to focus something ON something/somebody: she focused her binoculars on the yacht — enfocó el yate con los prismáticos
b) ( concentrate)to focus something (ON something) — \<\<light/radiation\>\> concentrar algo (en algo); \<\<attention\>\> centrar algo (en algo)
2.
via) \<\<camera/eyes\>\> enfocar*to focus ON something/somebody: his eyes were unable to focus on the small print no podía fijar la vista en la letra pequeña; the spotlight focused on the singer el reflector enfocó al cantante; try to focus on the tree — trata de enfocar el árbol
b) \<\<lecturer/chapter/attention\>\>to focus ON something/somebody — centrarse en algo/alguien
-
6 radiate
'reidieit1) (to send out rays of (light, heat etc): A fire radiates heat.) irradiar2) (to go out or be sent out in rays, or in many directions from a central point: Heat radiates from a fire; All the roads radiate from the centre of the town.) irradiar•- radiator
tr['reɪdɪeɪt]1 (emit) irradiar, radiar1 (be emitted) irradiar2 (spread out) salir: irradiar, emitirto radiate heat: irradiar el calorto radiate happiness: rebosar de alegríaradiate vi1) : irradiar2) spread: salir, extenderseto radiate (out) from the center: salir del centroadj.• radiado, -a adj.n.• radiado s.m.v.• difundir v.• irradiar v.• radiar (Física) v.'reɪdieɪt
1.
transitive verb \<\<heat/light\>\> irradiar, emitir; \<\<charm/enthusiasm\>\> irradiar, rebosar (de)
2.
vi['reɪdɪeɪt]1.VT (lit, fig) radiar, irradiar2.VIto radiate from — [lines, streets] partir de
light radiated from an opening in the tunnel roof — la luz se difundía por una abertura en el techo del túnel
* * *['reɪdieɪt]
1.
transitive verb \<\<heat/light\>\> irradiar, emitir; \<\<charm/enthusiasm\>\> irradiar, rebosar (de)
2.
vi -
7 radiant
'reidiənt1) (showing great joy: a radiant smile.) radiante2) (sending out rays of heat, light etc or carried, sent etc in the form of, or by means of, rays of heat, light etc.) radiante•- radiance
tr['reɪdɪənt]1 radianteradiant ['reɪdiənt] adj: radiante♦ radiantly advadj.• brillante adj.• radiante adj.• radioso, -a adj.n.• radiante s.m.'reɪdiəntadjective <smile/eyes/look> radiante; <sun/blue> resplandeciente, radiante['reɪdɪǝnt]1. ADJ1) (=glowing) [smile, person, complexion] radianteradiant with joy — radiante or rebosante de alegría
3) (Phys) [heat, light, energy] radiante2.N (Astron, Math, Phys) radiante m* * *['reɪdiənt]adjective <smile/eyes/look> radiante; <sun/blue> resplandeciente, radiante -
8 beam
bi:m
1. noun1) (a long straight piece of wood, often used in ceilings.) viga2) (a ray of light etc: a beam of sunlight.) rayo3) (the greatest width of a ship or boat.) manga
2. verb1) (to smile broadly: She beamed with delight.) sonreír de oreja a oreja, desplegar una sonrisa luminosa2) (to send out (rays of light, radio waves etc): This transmitter beams radio waves all over the country.) emitirbeam1 n1. vigamind your head on the beam! ¡ojo con la cabeza en la viga!2. barra de equilibrio3. rayobeam2 vb sonreírtr[biːm]1 (wooden) viga2 (of light) rayo3 (width of ship) manga4 (smile) sonrisa radiante5 SMALLPHYSICS/SMALL haz nombre masculino1 (shine) brillar2 (smile) sonreír1 irradiar, emitir\SMALLIDIOMATIC EXPRESSION/SMALLto be broad in the beam ser ancho,-a de caderaselectron beam haz nombre masculino de electronesbeam ['bi:m] vi1) shine: brillar2) smile: sonreír radiantementebeam vtbroadcast: transmitir, emitirbeam n1) : viga f, barra f2) ray: rayo m, haz m de luz3) : haz m de radiofaro (para guiar pilotos, etc.)n.• amura s.f.• astil s.m.• barra s.f.• destello s.m.• haz (Optica) s.m.• madero s.m.• manga s.f.• rayo (Optica) s.m.• timón s.m.• tranca s.f.• través s.m.• viga (Arquitectura) s.f.v.• brillar v.• destellar v.• urdir v.biːm
I
1)a) ( in building) viga f; ( in ship) bao m; ( in gymnastics) barra f sueca or de equilibriob) ( widest part of ship) manga fto be broad in the beam — (colloq) ser* culón (fam), tener* un buen trasero (fam)
keep the headlights on high o (BrE) full o main beam — ( Auto) deja las (luces) largas or (Chi) altas
II
1.
a) ( shine) brillarb) ( smile) sonreír* ( abiertamente)
2.
vt ( broadcast) transmitir[biːm]1. N1) (Archit) viga f, travesaño m ; [of plough] timón m ; [of balance] astil m ; (Mech) balancín m2) (Naut) (=timber) bao m ; (=width) manga f ; broad 1., 1)3) [of light, laser] rayo m ; (from beacon, lamp) haz m de luz; (from radio beacon) haz m de radiofaroto drive on full or main beam — conducir con luz de carretera or con luces largas
- be on the beam- be way off beam4) (=smile) sonrisa f radiante5) (Sport) barra f fija2. VT1) (=transmit) [+ signal] emitir2) (=smile)3. VI1) (=shine) brillar2) (=smile) sonreír satisfecho4.CPDbeam lights NPL — (Aut) luces fpl largas
- beam up* * *[biːm]
I
1)a) ( in building) viga f; ( in ship) bao m; ( in gymnastics) barra f sueca or de equilibriob) ( widest part of ship) manga fto be broad in the beam — (colloq) ser* culón (fam), tener* un buen trasero (fam)
keep the headlights on high o (BrE) full o main beam — ( Auto) deja las (luces) largas or (Chi) altas
II
1.
a) ( shine) brillarb) ( smile) sonreír* ( abiertamente)
2.
vt ( broadcast) transmitir -
9 rayo
Del verbo raer: ( conjugate raer) \ \
rao, raigo, rayo es: \ \1ª persona singular (yo) presente indicativo
rayó es: \ \3ª persona singular (él/ella/usted) pretérito indicativoDel verbo rayar: ( conjugate rayar) \ \
rayo es: \ \1ª persona singular (yo) presente indicativo
rayó es: \ \3ª persona singular (él/ella/usted) pretérito indicativoMultiple Entries: raer rayar rayo
raer ( conjugate raer) verbo transitivo ‹ superficie› to scrape; ‹barniz/pintura› to scrape off
rayar ( conjugate rayar) verbo transitivo verbo intransitivo 1 ( dejar marca) to scratch 2 ( aproximarse) rayo EN algo to border on sth, verge on sth 3 (Méx) [ obreros] to get one's wages, get paid rayarse verbo pronominal 1 [ superficie] to get scratched 2 (AmS fam) ( volverse loco) to crack up (colloq)
rayo sustantivo masculino 1 ( en general) ray;◊ un rayo de luz a ray o beam (of light);un rayo de luna a moonbeam; rayo láser laser beam; rayos ultravioleta ultraviolet rays (pl); rayos X X-rays (pl) 2 (Meteo) bolt (of lightning); 3 (AmL) ( de rueda) spoke
rayar
I vtr (un cristal, disco, etc) to scratch
II vi (lindar, rozar) to border [en/con, on]
rayo sustantivo masculino
1 (de una tormenta) lightning
2 (haz de luz) ray, beam
un rayo de esperanza, a ray of hope
rayo láser, laser beam
rayos X, X-rays ' rayo' also found in these entries: Spanish: catódica - catódico - caer - centella English: beam - bolt - flash - glimmer - laser beam - lightning - moonbeam - quick - ray - shaft - spoke - streak - strike - strike down - sunbeam - thunderbolt - zip by - laser - moon - sun - thunder - X-ray -
10 sun
1. noun1) (the round body in the sky that gives light and heat to the earth: The Sun is nearly 150 million kilometres away from the Earth.) sol2) (any of the fixed stars: Do other suns have planets revolving round them?) sol3) (light and heat from the sun; sunshine: We sat in the sun; In Britain they don't get enough sun; The sun has faded the curtains.) sol
2. verb(to expose (oneself) to the sun's rays: He's sunning himself in the garden.) tomar el sol, exponerse a los rayos del sol- sunless- sunny
- sunniness
- sunbathe
- sunbeam
- sunburn
- sunburned
- sunburnt
- sundial
- sundown
- sunflower
- sunglasses
- sunlight
- sunlit
- sunrise
- sunset
- sunshade
- sunshine
- sunstroke
- suntan
- catch the sun
- under the sun
sun n solCuando se refiere a la estrella Sol, se escribe con mayúsculatr['sʌndɪ]1 ( Sunday) domingo; (abbreviation) dom1) : poner al sol2)to sun oneself : asolearse, tomar el solsun n1) : sol m2) sunshine: luz f del soladj.• solar adj.n.• sol s.m.v.• asolear v.• solear v.(= Sunday) dom[sʌn]1.N sol mthe sun is shining — brilla el sol, hace sol
to catch the sun: you've caught the sun — te ha cogido el sol
under the sun —
they would do anything under the sun to stay in power — serían capaces de hacer cualquier cosa para seguir en el poder
2.VTto sun o.s. — tomar el sol, asolearse (LAm), tomar sol (S. Cone)
3.CPDsun lotion N — bronceador m
sun lounge N — solana f
sun lounger N — tumbona f
sun parlour, sun parlor (US) N — solana f
sun umbrella N — sombrilla f
sun visor N — (for eyes) visor m ; (on car) visera f, quitasol m
* * *(= Sunday) dom -
11 infrared
-
12 radiation
noun (rays of light, heat etc or of any radioactive substance.) radiaciónradiation n radiacióntr[reɪdɪ'eɪʃən]1 radiación nombre femenino\SMALLIDIOMATIC EXPRESSION/SMALLradiation [.reɪdi'eɪʃən] n: radiación fn.• irradiación s.f.• radiación s.f.'reɪdi'eɪʃən [ˌreɪdɪ'eɪʃǝn]1.N radiación f2.CPDradiation sickness N — enfermedad f por radiación
radiation therapy N — radioterapia f, terapia f por radiaciones
radiation treatment N — tratamiento m por radiaciones
* * *['reɪdi'eɪʃən] -
13 star
1. noun1) (the fixed bodies in the sky, which are really distant suns: The Sun is a star, and the Earth is one of its planets.)2) (any of the bodies in the sky appearing as points of light: The sky was full of stars.)3) (an object, shape or figure with a number of pointed rays, usually five or six, often used as a means of marking quality etc: The teacher stuck a gold star on the child's neat exercise book; a four-star hotel.)4) (a leading actor or actress or other well-known performer eg in sport etc: a film/television star; a football star; (also adjective) She has had many star rôles in films.)
2. verb1) (to play a leading role in a play, film etc: She has starred in two recent films.)2) ((of a film etc) to have (a certain actor etc) as its leading performer: The film starred Elvis Presley.)•- stardom- starry
- starfish
- starlight
- starlit
- star turn
- see stars
- thank one's lucky stars
star1 n estrellastar2 vb protagonizartr[stɑːSMALLr/SMALL]1 SMALLCINEMA/SMALL protagonizar (in, -)1 SMALLCINEMA/SMALL tener como protagonista a, presentar como estrella2 (mark with star) marcar con un asterisco1 (horoscope) horóscopo m sing■ what do my stars say? ¿qué dice mi horóscopo?\SMALLIDIOMATIC EXPRESSION/SMALLto see stars ver estrellasstar attraction atracción nombre femenino estelarstar pupil alumno,-a estrellastar role papel nombre masculino estelarstar sign signo del zodíacostar witness testigo nombre masulino o femenino principalthe morning star / evening star el lucero del alba / el lucero de la tardethe star of David la estrella de Davidthe Stars and Stripes la bandera de los Estados Unidos1) : marcar con una estrella o un asterisco2) feature: ser protagonizado porstar vi: tener el papel principalto star in: protagonizarstar n: estrella fadj.• estelar adj.• principal adj.• sobresaliente adj.n.• asterisco s.m.• astro s.m.• estrella (Astronomía) s.f.v.• adornar con estrellas v.• estrellar v.• ser la estrella v.stɑːr, stɑː(r)
I
1) (Astrol, Astron) ( astral body) astro m; ( visible in the sky at night) estrella fto be born under a lucky star — nacer* con buena estrella
to see stars — ver* las estrellas
to thank one's lucky stars — (colloq) dar* gracias al cielo; (before n)
two-/four-star petrol — (BrE) gasolina f or (RPl) nafta f normal/súper, bencina f corriente/especial (Andes)
3) ( celebrity) estrella f; (before n)star attraction — atracción f estelar or especial
star witness — testigo mf principal
II
1.
- rr- transitive verb1) (Cin, Theat, TV)the famous film which starred Bogart and Bergman — la famosa película que tuvo como protagonistas a Bogart y Bergman
`2005', starring Mike Kirnon — `2005', con (la actuación estelar de) Mike Kirnon
2) ( mark) \<\<passage/items\>\> marcar* con un asterisco
2.
vi[stɑː(r)]1. N1) (Astron) estrella f, astro mthe Stars and Stripes — (US) las barras y las estrellas
the Stars and Bars — (US) (Hist) la bandera de los estados confederados
- have stars in one's eyes- see stars- be born under a lucky star- believe in one's lucky star2) (=film star, sports star etc) estrella f3) (Typ) asterisco m4) stars (=horoscope) horóscopo m2. VT1) (=adorn with stars) estrellar, adornar con estrellas, sembrar de estrellas; (=mark with star) señalar con asterisco2) (Cine etc) presentar como estrella3.VI (Cine etc) tener el papel principal4.CPD estrella, estelarstar anise N — anís m estrellado
star attraction N — atracción f principal
star grass N — azucena f
star of Bethlehem N — (Bot) leche f de gallina, matacandiles m
Star of David N — estrella f de David
star player N — estrella f
star prize N — gran premio m, primer premio m
star rating N — [of hotel, restaurant] categoría f
star screwdriver N — destornillador m de estrella
star shell N — cohete m luminoso, bengala f
star system N — (Astron) sistema m estelar; (Cine) star-system m
star turn N — = star attraction
"star wars" N — (Mil) "guerra f de las galaxias"
* * *[stɑːr, stɑː(r)]
I
1) (Astrol, Astron) ( astral body) astro m; ( visible in the sky at night) estrella fto be born under a lucky star — nacer* con buena estrella
to see stars — ver* las estrellas
to thank one's lucky stars — (colloq) dar* gracias al cielo; (before n)
two-/four-star petrol — (BrE) gasolina f or (RPl) nafta f normal/súper, bencina f corriente/especial (Andes)
3) ( celebrity) estrella f; (before n)star attraction — atracción f estelar or especial
star witness — testigo mf principal
II
1.
- rr- transitive verb1) (Cin, Theat, TV)the famous film which starred Bogart and Bergman — la famosa película que tuvo como protagonistas a Bogart y Bergman
`2005', starring Mike Kirnon — `2005', con (la actuación estelar de) Mike Kirnon
2) ( mark) \<\<passage/items\>\> marcar* con un asterisco
2.
vi -
14 electromagnetic waves
ilektrəməɡ'netik(waves of energy travelling through space etc, eg light waves, X-rays, radio waves.) ondas electromagnéticas -
15 focus
adj.in focus -> enfocado.s.foco, el punto céntrico en que se unen muchos rayos de luz en un espejo u otro cuerpo.s.1 foco (of lens, discontent, interest)2 enfoque. (pl focuses or foci)vt.1 enfocar (rays of light) ; concentrar (one's interest, energy) ( on en)2 enfocarse.vi.
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