reaction
Language: English
Part of speech: noun
Pronunciation: ipa: /ɹiˈækʃən/
rhymes: -ækʃən
Forms: form: reactions
form: reäction
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.
Senses: examples: text: The announcement of the verdict brought a violent reaction.
text: You were in the courtroom. What is your reaction?
text: When I last tried to eat strawberries I had a terrible allergic reaction.
glosses: An action or statement in response to a stimulus or other event.
examples: text: In this reaction, the acid and base will neutralize each other, producing a salt.
topics: chemistry
natural-sciences
physical-sciences
glosses: A transformation in which one or more substances is converted into another by combination or decomposition.
topics: government
politics
glosses: Reactionary politics; a period in which reactionary thought or politics is resurgent or dominant.
topics: economics
sciences
glosses: Unpurposeful behavior.
glosses: An icon or emoji appended to a posted message by a user to express their feeling about it.
Synonyms: topics: journalism
media
word: reax
word: rxn
Derived terms: Abderhalden reaction
addition reaction
alarm reaction
alcohol flush reaction
Appel reaction
Arbuzov reaction
Arndt-Eistert reaction
Arthus reaction
Asinger reaction
Bamford-Stevens reaction
Barton reaction
Barton-Zard reaction
Baylis-Hillman reaction
Belousov-Zhabotinsky reaction
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
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
Grignard reaction
gut reaction
half-reaction
haloform reaction
heat of reaction
Heck reaction
Horner-Wadsworth-Emmons reaction
Horner-Wittig reaction
hunting reaction
HWE reaction
idiosyncratic reaction
id reaction
immune reaction
in reaction
insertion reaction
Jarisch-Herxheimer reaction
knee-jerk reaction
Knoevenagel reaction
Kolbe reaction
Kolbe-Schmitt reaction
Kulinkovich reaction
Lewis reaction
Maillard reaction
Mannich reaction
Mazzotti reaction
McCormack reaction
Meerwein-Ponndorf reaction
Michaelis-Arbuzov reaction
Michael reaction
Mitsunobu reaction
mixed reaction
mixed reactions
Molisch reaction
name reaction
Norrish reaction
nuclear reaction
oscillatory reaction
overreaction
paradoxical rage reaction
pericyclic reaction
photochemical reaction
photonuclear reaction
polymerase chain reaction
precipitation reaction
Prevost reaction
problem-reaction-solution
protective reaction
reaction control system
reaction engine
reaction GIF
reaction image
reaction mass
reaction mechanism
reaction mixture
reaction rate constant
reaction save
reaction time
reaction turbine
reaction vessel
reaction wheel
reaction wood
rearrangement reaction
redox reaction
Reformatsky reaction
Reimer-Tiemann reaction
Ritter reaction
Sandmeyer reaction
Schmidt reaction
sequential reaction
Simmons-Smith reaction
SN1 reaction
SN2 reaction
Sonogashira reaction
Stetter reaction
Stille reaction
substitution reaction
Suzuki reaction
thermite reaction
Tsuji-Trost reaction
Weiss-Cook reaction
Wharton reaction
Wittig reaction
Wohl-Ziegler reaction
Wulff-Dötz reaction
Wurtz reaction
Zincke reaction
Zincke-Suhl reaction
Related terms: react
reactant
reactionary
reactor
reactional