-
1 ceder
v.1 to hand over.2 to give up (rendirse) (conceder).ceder a to give in toceder en to give up onRicardo cedió su casa a su primo Richard ceded his house to his cousin.3 to abate.4 to give way (venirse abajo).la puerta finalmente cedió the door finally gave way5 to give, to become loose.ha cedido el jersey the jersey has gone baggy6 to decrease in intensity, to abate, to lessen, to subside.La tormenta eléctrica cedió al fin The thunderstorm abated at last.7 to yield, to give in, to give way, to cede.Ricardo cedió ante su insistencia Richard yielded in view of her insistence.Las vigas cedieron ante el peso The beams yielded to the weight.8 to demise.Ricardo cedió su poder por un mes Richard demised his power for a month.* * *1 (dar) to cede, give1 (rendirse) to yield (a, to), give way (a, to)■ no cedas don't make any concessions, don't give in2 (caerse) to fall, give way3 (disminuir) to diminish, slacken, go down\ceder el paso AUTOMÓVIL to give way, US yield* * *verb1) to cede, hand over2) give in, yield3) diminish, abate* * *1. VT1) [+ propiedad] to transfer; [+ territorio] to cede frm, hand overme cedió el asiento — she let me have her seat, she gave up her seat (for me)
cedió los derechos de autor a su familia — she gave up o over the authorial rights to her family
el director ha cedido el puesto a su colaborador — the director has decided to hand over the post to his colleague
•
ceder la palabra a algn — to give the floor to sb frm, call upon sb to speak•
"ceda el paso" — "give way", "yield" (EEUU)•
ceder terreno a algn/algo — to give ground to sb/sth2) (Dep) [+ balón] to pass2. VI1) (=transigir) to give in, yield frm•
ceder a algo — to give in to sth, yield to sthceder al chantaje — to give in o yield to blackmail
•
ceder ante algn/algo — to give in to sb/sth, yield to sb/sthno cederemos a o ante sus amenazas — we will not give in to o yield to his threats
•
ceder en algo, no ceden en su empeño de ganar la liga — they're not giving in o up in their endeavour to win the league2) (=disminuir) [viento] to drop, die down; [lluvia] to ease up; [frío] to abate, ease up; [fiebre] to go down; [dolor] to lessen3) [suelo, viga] to give way, give4) (=dar de sí) [zapatos, prenda, elástico] to stretch, giveel tejido ha cedido y me queda ancho — the material has stretched o given and now it's too big for me
* * *1.verbo transitivo1)a) < derecho> to transfer, assign; < territorio> to cede; <puesto/título> ( voluntariamente) to hand over; ( obligatoriamente) to give upme cedió el asiento — he let me have his seat; palabra 3b, paso 1b
b) <balón/pelota> to pass2.me cedieron una casa en el pueblo — they gave o allowed me the use of a house in the village
ceder vi1) ( cejar) to give wayno cedió ni un ápice — she didn't give o yield an inch
3)a) muro/puente/cuerda to give wayb) zapatos/muelles to give* * *= give over, give, hand over, cede, yield, pass over, sign away, buckle, remit, compromise, give in, cave in (to).Ex. The old building is now given over to children and young people.Ex. Visitors would be surprised by the loud creaking and groaning of the presses as the timbers gave and rubbed against each other.Ex. Eventually, teachers should be able to ' hand the chalk over to the students' and take a back seat.Ex. We see this most clearly in the United Kingdom right now, as the Westminster government cedes authority both to the European Union and to a new parliament in Scotland.Ex. She actually had an impulse to go and tell the staff to cast off their chains; she did not, however, yield to it.Ex. She also indicated in passing that in future authors would not automatically pass over the copyright of research results in papers to publishers.Ex. The article is entitled 'License agreements in lieu of copyright: are we signing away our rights?'.Ex. The arches of greenhouses buckle under snow loads but the criteria used to study the effects are devised for rectilinear beams.Ex. The fever was resolved and the skin lesions started to remit during the following 3 weeks.Ex. The moment we compromise among ourselves to adopt rules that are incompatible with ideology then I think we are merely providing the necessity before very long to have these changes brought about.Ex. At first he tried self-treatment by rubbing it with the tail of a cat, but eventually gave in and consulted a local physician.Ex. It takes more courage to say no and stand up for what's right and is best for them, than it does to cave in to knuckleheads like you two.----* ceder ante = give + way (to), bow to.* ceder ante la presión = surrender to + pressure.* ceder ante la presión de = give in to.* ceder a una demanda = bow to + demand.* ceder el paso = give + way (to), yield + the right of way.* ceder el relevo = pass (on) + the torch, pass (on) + the baton.* ceder las riendas del poder = hand over + the reins of power.* ceder + Nombre + a = turn + Nombre + over to.* ceder terreno = yield + ground, lose + ground.* no ceder = stand + Posesivo + ground, put + Posesivo + foot down.* no ceder a las presiones = withstand + pressure.* no ceder terreno = stand + Posesivo + ground.* * *1.verbo transitivo1)a) < derecho> to transfer, assign; < territorio> to cede; <puesto/título> ( voluntariamente) to hand over; ( obligatoriamente) to give upme cedió el asiento — he let me have his seat; palabra 3b, paso 1b
b) <balón/pelota> to pass2.me cedieron una casa en el pueblo — they gave o allowed me the use of a house in the village
ceder vi1) ( cejar) to give wayno cedió ni un ápice — she didn't give o yield an inch
3)a) muro/puente/cuerda to give wayb) zapatos/muelles to give* * *ceder (ante)(v.) = give + way (to), bow toEx: But since to have chosen to use the alternative rule would have committed us to extensive and expensive recataloging of LC copy, service considerations gave way to economic considerations.
Ex: In connection with that, I think it's the greater part of wisdom in a situation like this to bow to those who know more about the matter than I do.= give over, give, hand over, cede, yield, pass over, sign away, buckle, remit, compromise, give in, cave in (to).Ex: The old building is now given over to children and young people.
Ex: Visitors would be surprised by the loud creaking and groaning of the presses as the timbers gave and rubbed against each other.Ex: Eventually, teachers should be able to ' hand the chalk over to the students' and take a back seat.Ex: We see this most clearly in the United Kingdom right now, as the Westminster government cedes authority both to the European Union and to a new parliament in Scotland.Ex: She actually had an impulse to go and tell the staff to cast off their chains; she did not, however, yield to it.Ex: She also indicated in passing that in future authors would not automatically pass over the copyright of research results in papers to publishers.Ex: The article is entitled 'License agreements in lieu of copyright: are we signing away our rights?'.Ex: The arches of greenhouses buckle under snow loads but the criteria used to study the effects are devised for rectilinear beams.Ex: The fever was resolved and the skin lesions started to remit during the following 3 weeks.Ex: The moment we compromise among ourselves to adopt rules that are incompatible with ideology then I think we are merely providing the necessity before very long to have these changes brought about.Ex: At first he tried self-treatment by rubbing it with the tail of a cat, but eventually gave in and consulted a local physician.Ex: It takes more courage to say no and stand up for what's right and is best for them, than it does to cave in to knuckleheads like you two.* ceder ante = give + way (to), bow to.* ceder ante la presión = surrender to + pressure.* ceder ante la presión de = give in to.* ceder a una demanda = bow to + demand.* ceder el paso = give + way (to), yield + the right of way.* ceder el relevo = pass (on) + the torch, pass (on) + the baton.* ceder las riendas del poder = hand over + the reins of power.* ceder + Nombre + a = turn + Nombre + over to.* ceder terreno = yield + ground, lose + ground.* no ceder = stand + Posesivo + ground, put + Posesivo + foot down.* no ceder a las presiones = withstand + pressure.* no ceder terreno = stand + Posesivo + ground.* * *ceder [E1 ]vtA1 (entregar) ‹derecho› to transfer, assign, cede ( frml); ‹territorio› to cede, transfercedieron las tierras al Estado they transferred the lands to o made the lands over to o ceded the lands to the Stateel campeón no quiere ceder su título the champion doesn't want to give up his titlecederá la dirección de la empresa a los empleados he will hand over o transfer the running of the company to the employeesme cedió el asiento he let me have his seat, he gave up his seat for me2 ‹balón/pelota› to pass1 ‹obra› to loanme cedieron una casa en el pueblo they gave o allowed me the use of a house in the village2 ‹jugador› to loan■ cederviA (cejar) to give waymanténte firme y no cedas stand your ground and don't give way o give intuvieron que ceder ante sus amenazas they had to give in to his threatsno cedió ni un ápice she didn't give o yield an inchceder EN algo to give sth uptuvo que ceder en su empeño she had to give up o abandon the undertakingceder A algo to give in TO sthno cedió a la tentación she did not give in to o yield to temptationB1 «fiebre» to go down; «dolor» to ease, lessen; «tormenta» to ease up, abate; «viento» to drop, die down, abate; «frío» to abate, ease2 «valor/divisa» to ease, driftC1 «muro/puente/cuerda» (romperse, soltarse) to give waylas tablas cedieron por el peso the boards gave way under the weightel elástico ya está cediendo the elastic is starting to go o is getting loose2 «cuero/zapatos/muelles» (dar de sí) to giveme está un poco estrecho, pero ya cederá it's a bit tight but it'll give* * *
ceder ( conjugate ceder) verbo transitivo
1
‹ territorio› to cede;
‹puesto/título› ( voluntariamente) to hand over;
( a la fuerza) to give up;
me cedió el asiento he let me have his seat;
See Also→ paso 1b
2 ( prestar) ‹ jugador› to loan
verbo intransitivo
1 ( cejar) to give way;◊ no cedió ni un ápice she didn't give o yield an inch;
cedió en su empeño she gave up the undertaking;
ceder a algo to give in to sth
2 [fiebre/lluvia/viento] to ease off;
[ dolor] to ease
3 [muro/puente/cuerda] to give way;
[zapatos/muelle] to give
ceder
I vtr (voluntariamente) to hand over
ceder la palabra, to give sb the right to speak
(obligatoriamente) to give
ceder el paso, to give way, US to yield
II verbo intransitivo
1 (una cuerda, un cable) to give way
2 (una tormenta, epidemia, etc) to diminish, slacken
3 (transigir) to give in
' ceder' also found in these entries:
Spanish:
abdicar
- capitular
- condescender
- plegarse
- residir
- plegar
English:
assign
- back down
- budge
- cave in
- climb down
- compromise
- decentralize
- give
- give in
- give up
- relent
- resist
- sign away
- way
- weaken
- yield
- cede
- climb
- ground
- knuckle
* * *♦ vt1. [traspasar, transferir] to hand over;las tierras fueron cedidas a los campesinos the land was handed over to the peasants;el gobierno central cederá a los ayuntamientos el control de la política cultural central government will hand control of cultural policy to the town halls2. [conceder] to give up;ceder el paso to give way;me levanté para ceder mi asiento a una anciana I stood up and gave my seat to an old lady;el actual campeón cedió dos segundos con respecto al ganador the reigning champion was two seconds slower than the winner3. [pelota] to pass♦ vi1. [venirse abajo] to give way;la puerta finalmente cedió the door finally gave way;el suelo del escenario cedió por el peso del decorado the stage floor gave way under the weight of the scenery2. [rendirse] to give up;cedió a sus ruegos he gave in to their pleading;no cederemos a las amenazas we won't give in to threats;cedió ante las presiones de la comunidad internacional he gave way to international pressure;no deben ceder a la tentación de tomarse la justicia por su mano they mustn't give in to the temptation to take the law into their own hands;ceder en to give up on;cedió en lo esencial he gave in on the important issues3. [destensarse] to give;el jersey ha cedido the jersey has gone baggy4. [disminuir] to abate, to ease up;por fin cedió la tormenta at last the storm eased up;la fiebre ha cedido the fever has gone down* * *I v/t give up; ( traspasar) transfer, cede;ceder el paso AUTO yield, Br give wayII v/i1 give way, yield* * *ceder vi1) : to yield, to give way2) : to diminish, to abate3) : to give in, to relentceder vt: to cede, to hand over* * *ceder vbse lo pedimos con mucha educación, pero no cedió we asked him very nicely, but he wouldn't give in2. (romperse) to give way3. (dejar) to give up4. (intensidad, fuerza) to die down -
2 sucumbir
v.1 to succumb.María sucumbió ante su jefe Mary succumbed before her boss.2 to die.3 to fall under, to sink, to go down, to succumb.Las paredes sucumbieron ruidosamente The walls fell under noisily.4 to perish, to die, to come to an end.María sucumbió en el alud Mary perished in the avalanche.* * *1 (rendirse) to succumb (a, to), yield (a, to)2 (morir) to perish3 figurado (tentación etc) to give in (a, to), yield (a, to)* * *verb* * *VI to succumb (a to)* * *verbo intransitivoa) ejército/plaza to succumb, surrenderb) ( a tentación) to succumb* * *= succumb, yield.Ex. From the skimming he had given their writings he knew that something like a chemical agent was working in Balzac's defenseless mind, and that the hapless fellow was trying not to succumb to it.Ex. She actually had an impulse to go and tell the staff to cast off their chains; she did not, however, yield to it.----* no sucumbir ante las emociones = keep + a stiff upper lip.* sucumbir a = submit to, yield to.* sucumbir (ante) = give + way (to).* sucumbir ante un encanto = succumb to + lure.* * *verbo intransitivoa) ejército/plaza to succumb, surrenderb) ( a tentación) to succumb* * *sucumbir (ante)(v.) = give + way (to)Ex: But since to have chosen to use the alternative rule would have committed us to extensive and expensive recataloging of LC copy, service considerations gave way to economic considerations.
= succumb, yield.Ex: From the skimming he had given their writings he knew that something like a chemical agent was working in Balzac's defenseless mind, and that the hapless fellow was trying not to succumb to it.
Ex: She actually had an impulse to go and tell the staff to cast off their chains; she did not, however, yield to it.* no sucumbir ante las emociones = keep + a stiff upper lip.* sucumbir a = submit to, yield to.* sucumbir (ante) = give + way (to).* sucumbir ante un encanto = succumb to + lure.* * *sucumbir [I1 ]vi1 «ejército/plaza» to succumb, surrender sucumbir A algo to succumb TO sthsucumbieron a los ataques enemigos they succumbed to the enemy attacks2 (a una tentación) to succumb sucumbir A algo to succumb TO sthal final sucumbió a la tentación he finally gave in to o yielded to o succumbed to temptationsucumbió a sus encantos he succumbed to o fell victim to her charms* * *
sucumbir verbo intransitivo
1 (ante el enemigo) to succumb, surrender, yield
2 (a un deseo, una tentación, etc) sucumbir a la tentación, to give in o succumb to temptation
3 frml (perecer) to die
' sucumbir' also found in these entries:
English:
give in
- crack
- succumb
* * *sucumbir vi1. [rendirse, ceder] to succumb;la ciudad sucumbió a los ataques enemigos the city succumbed to the enemy attacks;sucumbí a la tentación I succumbed o gave in to temptation2. [fallecer] to die;[desaparecer] to disappear* * *v/i succumb, give in* * *sucumbir vi: to succumb -
3 sentir un impulso
(v.) = have + an impulseEx. She actually had an impulse to go and tell the staff to cast off their chains; she did not, however, yield to it.* * *(v.) = have + an impulseEx: She actually had an impulse to go and tell the staff to cast off their chains; she did not, however, yield to it.
-
4 romper las cadenas de la esclavitud
(v.) = cast off + Posesivo + chainsEx. She actually had an impulse to go and tell the staff to cast off their chains; she did not, however, yield to it.* * *(v.) = cast off + Posesivo + chainsEx: She actually had an impulse to go and tell the staff to cast off their chains; she did not, however, yield to it.
Spanish-English dictionary > romper las cadenas de la esclavitud
-
5 aflojar
v.1 to reduce.2 to fork out (informal) (money).3 to abate, to die down.4 to ease off.5 to loosen, to let down, to let loose, to loose hold of.Elsa aflojó sus cuerdas Elsa loosened his ropes.El relajamiento afloja los músculos Relaxation loosens the muscles.6 to relax, to slack, to ease away, to ease.El descanso afloja la tensión Rest relaxes stress.7 to relent, to yield, to placate.Le aflojó el dolor His pain relented=Her pain yielded.8 to let up, to lose one's courage, to lose impulse.9 to lose hold.Ricardo aflojó y cayó Richard lost hold and fell.10 to ante up.* * *1 (soltar) to loosen2 figurado (esfuerzo) to relax1 (disminuir) to let up1 to come loose\aflojar la mosca familiar to fork out, cough up* * *verbto loosen, slacken* * *1. VT1) (=dejar suelto) [+ corbata, cinturón, nudo] to loosen; [+ tuerca, rosca] to slacken, loosen; [+ disciplina, restricción, política, presión] to relax2) (=relajar) [+ cuerda] to slacken; [+ músculo] to relax3) (=ralentizar)caminamos sin aflojar el paso o la marcha o el ritmo — we walked without slackening our pace o without slowing down
4) * [+ vientre] to loosen5) * [+ dinero] to fork out *, cough up *2. VI1) (Meteo) [viento] to drop; [lluvia] to ease off; [calor] to let up2) [fiebre] to subside; [tensión] to ease, subside3) [ventas] to tail offel negocio afloja en agosto — business slows down o eases up in August
4) [al andar, correr, competir] to ease up, let upno aflojó hasta conseguir la victoria — he did not ease up o let up until he won
3.See:* * *1.verbo transitivo1) <cinturón/tornillo> to loosen; <cuerda/riendas> to slacken; <presión/tensión> to ease; <marcha/paso> to slow down2) (fam) < dinero> to hand over3) (AmL) < motor> to run in2.aflojar vi2) ( ceder) to budge, give way3.aflojarse v pron1)a) (refl) < cinturón> to loosenb) tornillo/tuerca to come o work loose2) (Méx) estómago* * *= loosen, slacken, remit, dish out.Ex. Reader use, exhibitions and reproductions, age, pigment damages, and the dry air caused by the radiators, often cause the layer of pigment in the miniatures of old manuscripts to loosen or flake off.Ex. The trend direct supply of books to schools shows no sign of slackening.Ex. The fever was resolved and the skin lesions started to remit during the following 3 weeks.Ex. Seattle police had to dish out $8000 after wrongful arrest of a photographer.----* aflojar el paso = slow down, slow up.* aflojar guita = shell out + money, shell out.* aflojar la guita = cough up + money, cough up + cash.* aflojar la marcha = slow down, slow up.* aflojarse = come + unstuck, come + loose.* * *1.verbo transitivo1) <cinturón/tornillo> to loosen; <cuerda/riendas> to slacken; <presión/tensión> to ease; <marcha/paso> to slow down2) (fam) < dinero> to hand over3) (AmL) < motor> to run in2.aflojar vi2) ( ceder) to budge, give way3.aflojarse v pron1)a) (refl) < cinturón> to loosenb) tornillo/tuerca to come o work loose2) (Méx) estómago* * *= loosen, slacken, remit, dish out.Ex: Reader use, exhibitions and reproductions, age, pigment damages, and the dry air caused by the radiators, often cause the layer of pigment in the miniatures of old manuscripts to loosen or flake off.
Ex: The trend direct supply of books to schools shows no sign of slackening.Ex: The fever was resolved and the skin lesions started to remit during the following 3 weeks.Ex: Seattle police had to dish out $8000 after wrongful arrest of a photographer.* aflojar el paso = slow down, slow up.* aflojar guita = shell out + money, shell out.* aflojar la guita = cough up + money, cough up + cash.* aflojar la marcha = slow down, slow up.* aflojarse = come + unstuck, come + loose.* * *aflojar [A1 ]vtA ‹cinturón/nudo/tornillo› to loosen; ‹cuerda› to slacken (off); ‹puño/mandíbula› to unclenchla cuerda está muy tensa, aflójala the rope's very tight, let out some slackafloja la tensión nerviosa it eases nervous tensionsin aflojar la marcha or el paso without slowing downB ( fam); ‹dinero› to hand overno aflojó ni un centavo para la colecta he didn't part with o give a penny o ( AmE) a cent for the collectionC ( AmL) ‹motor› to run in■ aflojarviA «tormenta» to ease off; «fiebre/viento» to drop, easemañana aflojará el calor the temperature will drop o ease tomorrowB (ceder) to budge, give waydiles que no y no les aflojes por más que insistan say no and don't give in to them no matter how much they insist¡aflójale al acelerador! ease up on the acceleratoraflójale un poco al pobre chico ease up on the poor boy a little, don't be so hard on the poor boyA1 ( refl) ‹cinturón› to loosen2 «tornillo/tuerca» to come o work looseB* * *
aflojar ( conjugate aflojar) verbo transitivo
1 ‹cinturón/tornillo› to loosen;
‹cuerda/riendas› to slacken;
‹presión/tensión› to ease;
‹marcha/paso› to slow
2 (fam) ‹ dinero› to hand over
3 (AmL) ‹ motor› to run in
verbo intransitivo [ tormenta] to ease off;
[fiebre/viento] to drop;
[ calor] to let up;
[tensión/presión] to ease off
aflojarse verbo pronominal
b) [tornillo/tuerca] to come o work loose
aflojar
I verbo transitivo
1 to loosen
2 fam (soltar, dar): afloja la pasta, que eres un rácano, pay up, you mean devil
II vi (perder fuerza) to weaken, grow weak
' aflojar' also found in these entries:
Spanish:
mosca
- rienda
- soltar
English:
fork out
- let up
- loosen
- slacken
- slow
- cough
- ease
* * *♦ vt1. [presión, tensión] to reduce;[cinturón, corbata, tornillo] to loosen; [cuerda] to slacken;aflojar el ritmo to slow down, to slacken one's paceaflojar las riendas to ease uppor fin aflojó los 100 pesos que me debía he finally coughed up the 100 pesos he owed me3. CompRP Famaflojar la lengua to let the cat out of the bag♦ vi1. [disminuir] to abate, to die down;por fin aflojó el viento finally the wind died down2. [ceder] to ease off;el corredor aflojó en la última vuelta the runner eased off on the final lapaflojá stop it!* * *I v/t2 famdinero hand over3:aflojar el paso slow down* * *aflojar vt1) : to loosen, to slackenaflojar vi: to slacken, to ease up* * *aflojar vb to loosen
См. также в других словарях:
Impulse response — The Impulse response from a simple audio system. Showing the original impulse, the response after high frequency boosting, and the response after low frequency boosting. In signal processing, the impulse response, or impulse response function… … Wikipedia
impulse — noun 1 sudden strong wish ADJECTIVE ▪ strong ▪ irresistible ▪ first, initial, original ▪ My first impulse was to run away … Collocations dictionary
yield — [[t]jɪ͟əld[/t]] ♦♦♦ yields, yielding, yielded 1) VERB If you yield to someone or something, you stop resisting them. [FORMAL] [V to n] Carmen yielded to general pressure and grudgingly took the child to a specialist... [V to n] I yielded to an… … English dictionary
yield to — phr verb Yield to is used with these nouns as the object: ↑demand, ↑impulse, ↑temptation … Collocations dictionary
Specific impulse — (usually abbreviated I sp) is a way to describe the efficiency of rocket and jet engines. It represents the impulse (change in momentum) per unit of propellant. The higher the specific impulse, the less propellant is needed to gain a given amount … Wikipedia
Obey — O*bey , v. t. [imp. & p. p. {Obeyed}; p. pr. & vb. n. {Obeying}.] [OE. obeyen, F. ob[ e]ir, fr. L. obedire, oboedire; ob (see Ob ) + audire to hear. See {Audible}, and cf. {Obeisance}.] 1. To give ear to; to execute the commands of; to yield… … The Collaborative International Dictionary of English
Obeyed — Obey O*bey , v. t. [imp. & p. p. {Obeyed}; p. pr. & vb. n. {Obeying}.] [OE. obeyen, F. ob[ e]ir, fr. L. obedire, oboedire; ob (see Ob ) + audire to hear. See {Audible}, and cf. {Obeisance}.] 1. To give ear to; to execute the commands of; to yield … The Collaborative International Dictionary of English
Obeying — Obey O*bey , v. t. [imp. & p. p. {Obeyed}; p. pr. & vb. n. {Obeying}.] [OE. obeyen, F. ob[ e]ir, fr. L. obedire, oboedire; ob (see Ob ) + audire to hear. See {Audible}, and cf. {Obeisance}.] 1. To give ear to; to execute the commands of; to yield … The Collaborative International Dictionary of English
Redondo Union High School — Infobox School name = Redondo Union High School motto = established = 1905 type = Public affiliation = district = Redondo Beach Unified grades = 9 12 president = principal = Mrs. Mary Little head of school = dean = faculty = staff = students =… … Wikipedia
Project Orion (nuclear propulsion) — An artist s conception of the NASA reference design for the Project Orion spacecraft powered by nuclear propulsion. Project Orion was a study of a spacecraft intended to be directly propelled by a series of explosions of atomic bombs behind the… … Wikipedia
Teller–Ulam design — The basics of the Teller–Ulam design. Radiation from a primary fission bomb compresses a secondary section containing both fission and fusion fuel. The compressed secondary is heated from within by a second fission explosion. The Teller–Ulam… … Wikipedia