reaction */*/*/

reaction */*/*/
UK [rɪˈækʃ(ə)n] / US noun
Word forms "reaction":
singular reaction plural reactions
1)
a) [countable] the way that you feel or behave as a result of something that happens

My mother's initial reaction was quite unexpected.

b) [usually singular] a sudden feeling of being tired, upset etc, for example after an unpleasant or exciting experience

The reaction of any individual trauma victim is difficult to predict.

reaction to:

Shock is a natural reaction to such bad news.

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See:
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Collocations:
Adjectives frequently used with reaction
▪  adverse, emotional, gut, immediate, initial, instinctive, knee-jerk, natural, violent
2) [countable] a bad effect on your body caused by food, medicine, or another substance
reaction to:

Some people's skin has an allergic reaction to certain types of fabric.

have/suffer a reaction:

He suffered a violent reaction to the medicine.

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Collocations:
Verbs frequently used with reaction as the object ▪  cause, produce, provoke, trigger
3) reactions
[plural] your ability to think and act quickly in a difficult or dangerous situation

A tragedy was only prevented by the driver's quick reactions.

4)
a) [countable] chemistry a process in which a chemical change happens

Temperature can affect the rate of a chemical reaction.

reaction between:

We are studying reactions between a number of metals and acids.

b) [countable/uncountable] physics a physical force that is caused by an opposite physical force, usually producing a form of energy

a nuclear reaction

Newton teaches that action and reaction are equal and opposite.

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See:
5) [singular] an attitude of wanting to do things in a different way from the way that they were done in the past
reaction against:

The reaction against traditional styles continued for another 50 years.

6) [uncountable] formal strong opposition to any social or political change

the forces of reaction


English dictionary. 2014.

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Look at other dictionaries:

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  • 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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