reaction
An action or statement in response to a stimulus or other event.
Noun 4 meanings
An action or statement in response to a stimulus or other event.
“The announcement of the verdict brought a violent reaction.”
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.”
Reactionary politics; a period in which reactionary thought or politics is resurgent or dominant.
Unpurposeful behavior.
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.
Similar and opposite words
REACTION at a glance
REACTION has 8 letters and scores 10 points in Scrabble (R 1 + E 1 + A 1 + C 3 + T 1 + I 1 + O 1 + N 1) and 12 in Words With Friends, before board bonuses. It ranks #1,867 by how often it appears in everyday English. It is valid in ENABLE, NWL2023, Collins/SOWPODS.
Rhymes with reaction
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