English Online Dictionary. What means reaction? What does reaction mean?
English
Alternative forms
- reäction (rare)
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.
Pronunciation
- IPA(key): /ɹiˈækʃən/
- Rhymes: -ækʃən
Noun
reaction (plural reactions)
- An action or statement in response to a stimulus or other event.
- (chemistry) A transformation in which one or more substances is converted into another by combination or decomposition.
- (politics) Reactionary politics; a period in which reactionary thought or politics is resurgent or dominant.
- (Misesian praxeology, Austrian economics) Unpurposeful behavior.
- (Internet) An icon or emoji appended to a posted message by a user to express their feeling about it.
Synonyms
- reax (journalism jargon)
- rxn (abbreviation)
Derived terms
Related terms
- react
- reactant
- reactionary
- reactor
- reactional
Translations
Anagrams
- actioner, actorine, anoretic, anticore, creation
Interlingua
Noun
reaction (plural reactiones)
- reaction
Related terms
- reactor
- reager