reaction


reaction
[[t]riæ̱kʃ(ə)n[/t]]
♦♦
reactions
1) N-VAR: usu with supp Your reaction to something that has happened or something that you have experienced is what you feel, say, or do because of it.

Reaction to the visit is mixed...

The initial reaction of most participants is fear...

He was surprised that his answer should have caused such a strong reaction.

Syn:
2) N-COUNT: N against n A reaction against something is a way of behaving or doing something that is deliberately different from what has been done before.

All new fashion starts out as a reaction against existing convention...

Her three years of freedom seemed like a reaction against that childhood.

3) N-SING: also no det, N against n If there is a reaction against something, it becomes unpopular.

Premature moves in this respect might well provoke a reaction against the reform...

The government response seems to be the result of strong public reaction against the police apathy.

4) N-PLURAL: oft poss N Your reactions are your ability to move quickly in response to something, for example when you are in danger.

If his reactions are so slow, he shouldn't be in charge of a bus...

The sport requires very fast reactions.

Syn:
reflexes
5) N-UNCOUNT (disapproval) Reaction is the belief that the political or social system of your country should not change.

Thus, he aided reaction and thwarted progress.

...their victory against the forces of reaction and censorship.

6) N-COUNT A chemical reaction is a process in which two substances combine together chemically to form another substance.

Ozone is produced by the reaction between oxygen and ultra-violet light...

Catalysts are materials which greatly speed up chemical reactions.

7) N-COUNT: oft adj N to n If you have a reaction to a substance such as a drug, or to something you have touched, you are affected unpleasantly or made ill by it.

Every year, 5000 people have life-threatening reactions to anaesthetics...

Common foods which cause this kind of reaction are fish, eggs, and shellfish.


English dictionary. 2008.

Synonyms:

Look at other dictionaries:

  • réaction — [ reaksjɔ̃ ] n. f. • 1690; de re et action I ♦ Sc. 1 ♦ Mécan. Force qu un corps agissant sur un autre détermine en retour chez celui ci. Principe de l égalité de l action et de la réaction (énoncé par Newton) :un corps qui exerce sur un autre une …   Encyclopédie Universelle

  • Reaction — Réaction Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom …   Wikipédia en Français

  • Reaction — Re*ac tion (r[ e]*[a^]k sh[u^]n), n. [Cf. F. r[ e]action.] 1. Any action in resisting other action or force; counter tendency; movement in a contrary direction; reverse action. [1913 Webster] 2. (Chem.) The mutual or reciprocal action of chemical …   The Collaborative International Dictionary of English

  • Réaction! — Réaction ! Réaction ! Saison 1 Épisode n°16 Titre original The Peanut Reaction Code de production 116 1e diffusion aux É. U. 12 mai 2008 …   Wikipédia en Français

  • Réaction ! — Réaction ! Saison 1 Épisode n°16 Titre original The Peanut Reaction Code de production 116 1e diffusion aux É. U. 12 mai 2008 …   Wikipédia en Français

  • reaction — Since the later part of the 20c reaction has been used to mean little more than ‘first impression’ or ‘initial response’: • ‘I became more and more infatuated with that image as I grew older,’ Rowan said and looked at me for some kind of reaction …   Modern English usage

  • reaction — (n.) 1610s, from RE (Cf. re ) again, anew + ACTION (Cf. action) (q.v.). Modeled on Fr. réaction, older It. reattione, from M.L. reactionem (nom. reactio), from L.L. react , pp. stem of reagere react, from re …   Etymology dictionary

  • reaction — I (opposition) noun backfire, backlash, challenge, clash, conflict, contradiction, contrariety, countertendency, differences, disagreement, disapprobation, discountenance, expression of disapproval, objection, offset, polarity, protest, rebound,… …   Law dictionary

  • reaction — [n1] response acknowledgment, answer, attitude, backfire, backlash, back talk*, boomerang*, comeback, compensation, counteraction, counterbalance, counterpoise, double take*, echo, feedback, feeling, hit, kick, kickback, knee jerk*, lip*, opinion …   New thesaurus

  • Reaction — (v. lat.), 1) so v.w. Gegenbewegung, Gegendruck, Gegenwirkung, d.h. eine rückwirkende Thätigkeit, welche überall stattfindet, wo entgegengesetzte Kräfte einander entgegen wirken u. sich ins Gleichgewicht zu setzen suchen. 2) Die Erscheinung, daß… …   Pierer's Universal-Lexikon

  • Reaction — Reaction, Gegenwirkung, Gegenbewegung …   Damen Conversations Lexikon


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