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reaction

noun
/ɹiˈækʃən/

Etymology

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.

  1. derived from reaction
  2. inherited from reaccion

Definitions

  1. An action or statement in response to a stimulus or other event.

    • The announcement of the verdict brought a violent reaction.
    • You were in the courtroom. What is your reaction?
    • When I last tried to eat strawberries I had a terrible allergic reaction.

  2. A transformation in which one or more substances is converted into another by combination…

    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

    Reactionary politics; a period in which reactionary thought or politics is resurgent or dominant.

  4. ›+ 2 more definitions

    1. Unpurposeful behavior.

    2. An icon or emoji appended to a posted message by a user to express their feeling about it.

The neighborhood

Derived

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 · +120 more

Vish — recursive loop

A definitional loop anchored at reaction. Each word in the ring is defined by the next; follow the chain far enough and it folds back on itself. Scroll to it and watch.

01reaction02politics03methodology04implementation05engineering06engineer07design08problem09answered10answer

A definitional loop anchored at reaction. Each word in the ring appears in the definition of the next; follow the chain far enough and it folds back on itself.

10 hops · closes at reaction

curated · pre-corpus. live cycle detection across the full graph is the next major milestone.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA