reaction

名词 n.
中文释义

英文释义

名词 n.
  1. An action or statement in response to a stimulus or other event.
    — The announcement of the verdict brought a violent reaction.
  2. A transformation in which one or more substances is converted into another by combination or decomposition.
    — In this reaction, the acid and base will neutralize each other, producing a salt.
  3. Reactionary politics; a period in which reactionary thought or politics is resurgent or dominant.
    — And as Europe advanced year by year more deeply into the low featureless plains of reaction, censorship and mediocrity and the pestilential swamps of poverty, unhappiness and oppression, the image of the liberating revolution became ever more luminous.
  4. Unpurposeful behavior. Austrian
  5. An icon or emoji appended to a posted message by a user to express their feeling about it. Internet

词形变化

reactions plural reäction alternative,rare

词汇关系

近义词
reax rxn
衍生词
Abderhalden reaction addition reaction alarm reaction alcohol flush reaction alloreaction Appel reaction Arbuzov reaction Arndt-Eistert reaction Arthus reaction Asinger reaction autoreaction backreaction Bamford-Stevens reaction Barton reaction Barton-Zard reaction Baylis-Hillman reaction Belousov-Zhabotinsky reaction bioreaction Boudouard reaction Briggs-Rauscher reaction Bucherer reaction Bunsen reaction BZ reaction Cannizzaro reaction chain reaction chemical reaction click reaction combat stress reaction condensation reaction cortical reaction counterreaction crossreaction Curtius reaction cytotoxic reaction Darzens reaction dehydration reaction diazo reaction Diels-Alder reaction dissociation reaction Dötz reaction double-replacement reaction double replacement reaction electron transfer reaction elimination reaction Étard reaction Finkelstein reaction Friedel-Crafts reaction Gould-Jacobs reaction gravireaction Grignard reaction gut reaction half-reaction haloform reaction heat of reaction Heck reaction Horner-Wadsworth-Emmons reaction Horner-Wittig reaction hunting reaction HWE reaction hyperreaction idiosyncratic reaction id reaction immune reaction immunoreaction in reaction insertion reaction interreaction Jarisch-Herxheimer reaction knee-jerk reaction Knoevenagel reaction Kolbe reaction Kolbe-Schmitt reaction Kulinkovich reaction Lewis reaction macroreaction Maillard reaction Mannich reaction Mazzotti reaction McCormack reaction Meerwein-Ponndorf reaction Michaelis-Arbuzov reaction Michael reaction microreaction misreaction Mitsunobu reaction mixed reaction mixed reactions Molisch reaction multireaction name reaction neoreaction nonreaction Norrish reaction nuclear reaction oscillatory reaction overreaction paradoxical rage reaction pericyclic reaction photochemical reaction photonuclear reaction photoreaction polymerase chain reaction polyreaction postreaction precipitation reaction Prevost reaction problem-reaction-solution protective reaction pseudoreaction reaction control system reaction drive reaction engine reaction GIF reaction image reactionism reactionist reactionless reaction mass reaction mechanism reaction mixture reaction rate constant reaction save reaction time reaction turbine reaction vessel reactionware reaction wheel reactionwise reaction wood rearrangement reaction redox reaction Reformatsky reaction Reimer-Tiemann reaction Ritter reaction Sandmeyer reaction Schmidt reaction sequential reaction seroreaction Simmons-Smith reaction SN1 reaction SN2 reaction Sonogashira reaction Stetter reaction Stille reaction subreaction substitution reaction Suzuki reaction thermite reaction triboreaction Tsuji-Trost reaction underreaction Weiss-Cook reaction Wharton reaction Wittig reaction Wohl-Ziegler reaction Wulff-Dötz reaction Wurtz reaction xenoreaction Zincke reaction Zincke-Suhl reaction
相关词
react reactant reactionary reactor reactional

词源

Inherited from Middle English reaccion, from Old French reaction, from Latin reāctiō, from the verb reagō, from re- (“again”) + agō (“to act”); more at re-, action; equivalent to react + -ion.
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