reaction

reaction
re|ac|tion
W2S2 [riˈækʃən] n
▬▬▬▬▬▬▬
1¦(to a situation/event)¦
2¦(moving quickly)¦
3¦(to food/drugs)¦
4¦(science)¦
5¦(change)¦
6¦(against change)¦
▬▬▬▬▬▬▬
1.) ¦(TO A SITUATION/EVENT)¦ [U and C]
something that you feel or do because of something that has happened or been said
→↑response
▪ What was Jeff's reaction when you told him about the job?
reaction to
▪ the government's reaction to the fuel crisis
bring/provoke/produce a reaction
▪ The news brought an angry reaction from unions.
sb's first/immediate reaction
▪ His first reaction was to deny everything.
instinctive/gut reaction
(=what you immediately feel before you have time to think)
▪ My gut reaction was not to trust him.
▪ There were mixed reactions (=different people reacting in different ways) to the strike.
in reaction to sth
▪ An emergency fund was set up in reaction to the famine.
2.) ¦(MOVING QUICKLY)¦
reactions [plural]
your ability to move quickly when something dangerous happens suddenly
▪ a skilled driver with very quick reactions
3.) ¦(TO FOOD/DRUGS)¦
if you have a reaction to a drug or to something you have eaten, it makes you ill
reaction to
▪ a reaction to the immunization
have/suffer a reaction
▪ She had a severe allergic reaction to the drug.
cause/bring on/trigger a reaction
▪ Certain foods are more likely than others to cause allergic reactions .
4.) ¦(SCIENCE)¦ [U and C]
a) a chemical change that happens when two or more substances are mixed together
▪ a chemical reaction in the soil
b) a physical force that is the result of an equally strong physical force in the opposite direction
5.) ¦(CHANGE)¦ [singular]
a change in people's attitudes, behaviour, fashions etc that happens because they disapprove of the way in which things were done in the past
reaction against
▪ a reaction against the traditional values of the nineteenth century
6.) ¦(AGAINST CHANGE)¦[U] formal
strong and unreasonable opposition to all social and political changes
▪ The revolutionary movement was crushed by the forces of reaction .

Dictionary of contemporary English. 2013.

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  • 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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