react

re·act  (r-kt)

v. re·act·ed, re·act·ing, re·acts

v.intr.

1. To act in response to or under the influence of a stimulus or prompting: reacted strongly to the sarcastic tone of the memorandum.

2. To act in opposition to a former condition or act: composers who reacted against romanticism.

3. To act reciprocally or in return.

4. Chemistry To undergo a reaction: Methane reacts with hydroxyl to produce formaldehyde.

v.tr. Chemistry

To cause (a substance or substances) to undergo a reaction.

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react [rɪˈækt]

vb

1. (intr; foll by to, upon etc.) (of a person or thing) to act in response to another person, a stimulus, etc. or (of two people or things) to act together in a certain way

2. (intr; foll by against) to act in an opposing or contrary manner

3. (Physics / General Physics) (intr) Physics to exert an equal force in the opposite direction to an acting force

4. (Chemistry) Chem to undergo or cause to undergo a chemical reaction

[from Late Latin reagere, from re- + Latin agere to drive, do]

Thesaurus

Verb	1.	react - show a response or a reaction to something respond treat - regard or consider in a specific way; "I treated his advances as a joke" bristle - react in an offended or angry manner; "He bristled at her suggestion that he should teach her how to use the program" flip out, flip - react in an excited, delighted, or surprised way; "he flipped when he heard that he was accepted into Princeton University" overreact - show an exaggerated response to something; "Don't overreact to the bad news--take it easy" answer - react to a stimulus or command; "The steering of my new car answers to the slightest touch" accept - be sexually responsive to, used of a female domesticated mammal; "The cow accepted the bull" stool - react to a decoy, of wildfowl respond - respond favorably or as hoped; "The cancer responded to the aggressive therapy" greet - react to in a certain way; "The President was greeted with catcalls" explode - show a violent emotional reaction; "The boss exploded when he heard of the resignation of the secretary" accept - react favorably to; consider right and proper; "People did not accept atonal music at that time"; "We accept the idea of universal health care" answer - respond to a signal; "answer the door"; "answer the telephone" refuse, decline - show unwillingness towards; "he declined to join the group on a hike" consent, go for, accept - give an affirmative reply to; respond favorably to; "I cannot accept your invitation"; "I go for this resolution" marvel, wonder - be amazed at; "We marvelled at the child's linguistic abilities" acknowledge, notice - express recognition of the presence or existence of, or acquaintance with; "He never acknowledges his colleagues when they run into him in the hallway"; "She acknowledged his complement with a smile"; "it is important to acknowledge the work of others in one's own writing" act, move - perform an action, or work out or perform (an action); "think before you act"; "We must move quickly"; "The governor should act on the new energy bill"; "The nanny acted quickly by grabbing the toddler and covering him with a wet towel" refuse, reject, resist - resist immunologically the introduction of some foreign tissue or organ; "His body rejected the liver of the donor"
	2.	react - act against or in opposition to; "She reacts negatively to everything I say" oppose act, move - perform an action, or work out or perform (an action); "think before you act"; "We must move quickly"; "The governor should act on the new energy bill"; "The nanny acted quickly by grabbing the toddler and covering him with a wet towel" act on, follow up on, pursue - carry further or advance; "Can you act on this matter soon?" buck, go against - resist; "buck the trend"
	3.	react - undergo a chemical reaction; react with another substance under certain conditions; "The hydrogen and the oxygen react" chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions change state, turn - undergo a transformation or a change of position or action; "We turned from Socialism to Capitalism"; "The people turned against the President when he stole the election" bromate, brominate - react with bromine

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react

verb

1. respond, act, take, proceed, behave, conduct yourself They reacted violently to the news.

2. (with against) rebel against, oppose, revolt against, rise up against My father never saved and perhaps I reacted against that.

Translations

react [riːˈækt] VI

1. (gen) → reaccionar
to react against sth/sb → reaccionar contra algo/algn
companies have reacted by increasing their prices → la reacción de las empresas ha sido subir los precios, las empresas han reaccionado subiendo los precios
to react on sth/sb → afectar algo/a algn
alcohol always reacted badly on him → el alcohol siempre le afectaba negativamente, siempre tenía una reacción mala con el alcohol
to react to [+ news, situation] → reaccionar ante; [+ foreign substance] → reaccionar a
to react to sb → reaccionar or responder ante algn

2. (Chem, Phys) → reaccionar (with con) to react together → tener una reacción conjunta, reaccionar conjuntamente

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react [riˈækt] vi

(= respond) → réagir
to react against sth → réagir contre qch

to react to sth [+ drug, treatment, allergen] → réagir à qch

(CHEMISTRY) → réagir
to react with sth → réagir avec qch

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react

vi

(= respond, Chem, Phys) → reagieren (→ to auf +acc); slow to react (Chem) → reaktionsträge; she was slow to react to my offer → sie reagierte nur langsam auf mein Angebot; to react against → negativ reagieren auf (+acc)

(= have an effect) → wirken (→ on, upon auf +acc)

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react [riːˈækt] vi to react (against/to) → reagire (contro/a)

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react

v react [riˈӕkt]

1 to behave in a certain way as a result of something How did he react when you called him a fool?; He reacted angrily to the criticism; Hydrogen reacts with oxygen to form water. reageer يَرُد الفِعْل реагирам reagovat reagere reagieren αντιδρώ reaccionar reageerima فعل و انفعال کردن reagoida réagir לְהָגִיב प्रतिक्रिया करना reagirati reagál; reakcióba lép (kémiailag) bereaksi bregðast við, svara, sÿna viðbrögð; hvarfast reagire 反応する 반응하다 reaguoti reaģēt bertindak reageren reagere (på) zareagować reagir a reacţiona реагировать reagovať odzivati se reagovati reagera ตอบสนอง tepki göstermek, karşılık vermek 起反應 взаємодіяти رد عمل ظاہر کرنا phản ứng lại 起反应

2 (withagainst) to behave or act in a certain way in order to show rejection of Young people tend to react against their parents. reageer يرُد الفِعْل ضِد реагирам stavět se (proti) gøre oprør mod widerstreben αντιδρώ reaccionar vastu tegutsema عکس العمل داشتن یا نشان دادن reagoida réagir (contre) לִפעוֹל रासायनिक परिवर्तन करना opirati se, djelovati protivno lázad menentang veita mótspyrnu, vinna gegn reagire 反応する 반작용하다 priešgyniauti, priešintis izrādīt pretreakciju; noraidīt melawan zich verzetten tegen reagere negativt på sprzeciwiać się reagir a ri­posta противиться stavať sa (proti) upirati se reagovati göra motstånd, opponera sig ตอบสนอง karşı gelmek, baş kaldırmak 反抗 протидіяти; чинити опір جوابی عمل کرنا phản đối lại 反抗

3 (withto) to be affected, usually badly, by (a drug etc) I react very badly to penicillin. reageer يتأثَّر بصورةٍ سَيِّئَه реагирам reagovat reagere reagieren αντιδρώ reaccionar (a) (kellelegi) halvasti mõjuma واکنش نشان دادن reagoida réagir (à) לְהָגִיב לְ- किसी पदार्थ में परिवर्तन करना reagirati reagál bereaksi hafa áhrif; þola (illa); bregðast við reagire 反応する 반응을 나타내다 būti alergiškam negatīvi reaģēt; būt alerģiskam bertindak balas reageren op få en reaksjon mot reagować ter reacção a avea o reacţie (negativă) la реагировать reagovať odzivati se reagovati reagera på เกิดปฏิกิริยาต่อต้าน reaksiyon göstermek (對藥物等)有（不良）反應 реагувати الٹ کر اثر کرنا phản ứng đối với thuốc （药物等）产生副作用

n reˈaction [-ʃən]

1 the act of reacting What was his reaction to your remarks?; I get a bad reaction from penicillin; I'd like to ask you for your reactions to these suggestions. reaksie رد فِعْل реагиране reakce, odpověď reaktion die Reaktion αντίδραση reacción reaktsioon واکنش reaktio réaction תְגוּבָה प्रतिक्रिया reakcija reagálás reaksi viðbragð reazione 反応 반응 reakcija, atoveikis reakcija; atbilde tindakan reactie reaksjon reakcja reacção reacţie, mod de a reacţiona реакция reakcia odziv reakcija reaktion การตอบสนอง tepki, reaksiyon 反應 реакція رد عمل sự phản ứng 反应

2 a change of opinions, feelings etc (usually against someone or something) The new government was popular at first, but then a reaction began. verandering, wending تَغيير في الرأي реакция zvrat reaktion mod die Rückwirkung αντίδραση reacción vastureaktsioon واکنش muutos réaction הִתנַגדוּת किसी के खिलाफ विचार या भावना में परिवर्तन nagao obrat reakció penentangan gagnverkun reazione 反動 반동, 반발 priešiškumas reakcija; pretdarbība pertentangan pendapat reactie reaksjon reakcja reacção reacţie de respingere обратное действие zvrat reakcija reakcija opposition, motstånd ปฏิกิริยาตอบกลับ tepki 反動勢力 зворотна дія مخالف اثر phản đối lại cái gì 反作用

3 a process of change which occurs when two or more substances are put together (a) nuclear reaction; a chemical reaction between iron and acid. reaksie رَد فِعْل، تَفاعُل реакция reakce reaktion die Reaktion χημική αντίδραση reacción reaktsioon فعل و انفعال reaktio réaction תְּגוּבָה रसायनकि परिवर्तन reakcija reakció reaksi (efna)hvörf reazione 反応 화학 반응 reakcija reakcija tindak balas kimia reactie reaksjon reakcja reacção reacţie реакция reakcia reakcija reakcija reaktion ปฏิกิริยาเคมี reaksiyon, tepki 化學反應 реакція; взаємодія ایک مادے کا دوسرے پر اثر phản ứng hóa học 化学反应

adj / n reˈactionary [-ʃə-]

(pluralreˈactionaries) (a person) opposed to change and progress or favouring a return to things as they were. reaksionêr رَجْعي реакционер reakcionář(ský) reaktionær; reaktionær person reaktionär αντιδραστικός reaccionario tagurlik ارتجاعی؛ واپس گرایانه؛ مرتجع taantumuksellinen réactionnaire רֵיאַקציוֹנֵר प्रतिक्रियावादी reakcionaran, nazadan reakciós reaksioner afturhaldssamur maður reazionario 反動の 반작용의 reakcingas; reakcionierius reakcionārs pertukaran reactionair reaksjonær, bakstreversk reakcyjny, reakcjonista reaccionário reacţionar реакционер;реакционный reakcionár; reakcionársky nazadnjaški reakcionar reaktionär สมาชิกฝ่ายขวา gerici (kimse) 反動的 реакційний; реакціонер رجعت پسند phản động 反动的

n reˈactor

(alsonuclear reactor) an apparatus in which nuclear energy is produced which can be used as a source of power, eg when converted into electricity. reaktor مُفاعِل реактор reaktor reaktor; -reaktor der Reaktor αντιδραστήρας reactor (tuuma)reaktor راکتور reaktori réacteur (nucléaire) כּוּר גַרעִינִי संयंत्र reaktor (atom)reaktor reaktor kjarnakljúfur/-ofn reattore 原子炉 원자로 reaktorius []reaktors reaktor reactor reaktor reaktor reactor reactor (nuclear) (ядерный) реактор reaktor reaktor reaktor reaktor เครื่องปฏิกรณ์นิวเคลียร์ reaktör 核子反應爐 реактор رد عمل ظاہر کرنے والا lò phản ứng （原子）反应堆

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react → يَتفاَعل reagovat reagere reagieren αντιδρώ reaccionar reagoida réagir reagirati reagire 反応する 반응하다 reageren reagere zareagować reagir реагировать reagera มีปฏิกิริยา tepki göstermek phản ứng 起反应