What does reaction mean?
Definitions for reaction
riˈæk ʃənre·ac·tion
This dictionary definitions page includes all the possible meanings, example usage and translations of the word reaction.
Princeton's WordNet
chemical reaction, reactionnoun
(chemistry) a process in which one or more substances are changed into others
"there was a chemical reaction of the lime with the ground water"
reactionnoun
an idea evoked by some experience
"his reaction to the news was to start planning what to do"
reaction, responsenoun
a bodily process occurring due to the effect of some antecedent stimulus or agent
"a bad reaction to the medicine"; "his responses have slowed with age"
reactionnoun
(mechanics) the equal and opposite force that is produced when any force is applied to a body
"every action has an equal and opposite reaction"
reactionnoun
a response that reveals a person's feelings or attitude
"he was pleased by the audience's reaction to his performance"; "John feared his mother's reaction when she saw the broken lamp"
reactionnoun
extreme conservatism in political or social matters
"the forces of reaction carried the election"
reactionnoun
doing something in opposition to another way of doing it that you don't like
"his style of painting was a reaction against cubism"
GCIDE
Reactionnoun
An action by a person or people in response to an event. The reaction may be primarily mental (
Wiktionary
reactionnoun
An action or statement in response to a stimulus or other event
reactionnoun
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.
Etymology: reaction, from reactio, from the verb reago, from re- + ago. More at English re-, action.
Samuel Johnson's Dictionary
Reactionnoun
The reciprocation of any impulse or force impressed, made by the body on which such impression is made: action and reaction are equal.
Etymology: reaction, Fr. from react
Do not great bodies conserve their heat the longest, their parts heating one another; and may not great, dense and fixed bodies, when heated beyond a certain degree, emit light so copiously, as, by the emission and reaction of its light, and the reflexions and refractions of its rays within its pores, to grow still hotter till it comes to a certain period of heat, such as is that of the sun? Isaac Newton, Opticks.
Alimentary substances, of a mild nature, act with small force upon the solids, and as the action and reaction are equal, the smallest degree of force in the solids digests them. Arb.
ChatGPT
reaction
A reaction in general refers to a response or change that takes place due to a particular action, process, or other stimulus. This term can apply to various fields including chemistry, where it refers to a process that leads to the chemical transformation of substances; physics, referring to an action having an equal and opposite reaction; and biology, defining processes within organisms as a result of external or internal stimuli. In human behavior, a reaction refers to a response to certain situations, events, or emotions.
Webster Dictionary
Reactionnoun
any action in resisting other action or force; counter tendency; movement in a contrary direction; reverse action
Reactionnoun
the mutual or reciprocal action of chemical agents upon each other, or the action upon such chemical agents of some form of energy, as heat, light, or electricity, resulting in a chemical change in one or more of these agents, with the production of new compounds or the manifestation of distinctive characters. See Blowpipe reaction, Flame reaction, under Blowpipe, and Flame
Reactionnoun
an action induced by vital resistance to some other action; depression or exhaustion of vital force consequent on overexertion or overstimulation; heightened activity and overaction succeeding depression or shock
Reactionnoun
the force which a body subjected to the action of a force from another body exerts upon the latter body in the opposite direction
Reactionnoun
backward tendency or movement after revolution, reform, or great progress in any direction
Etymology: [Cf. F. raction.]
Wikidata
Reaction
Reaction is the second album by American R&B singer Rebbie Jackson. The album released in 1986 and spawned two mildly successful singles, "Reaction" and "You Send the Rain Away", a duet with Robin Zander. "Ticket To Love" was going to be released as the second single and received a very limited promo release before being cancelled in favour of "You Send the Rain Away". The album-only track "Tonight I'm Yours", a duet with Isaac Hayes received substantial airplay but was not commercially released as a single. Reaction received a limited CD reissue in Japan in the early 1990s. Reaction was reissued on CD with Jackson's previous album Centipede on May 18, 2010. The album was reissued by Funky Town Grooves on CD in October 2012 and included 7 bonus tracks.
Editors Contribution
reactionverb
To perform on earth as it is in heaven. In return behind or after in a withdrawn state to take action by doing something according to the light of an atom or molecule with a net electric charge due to the loss or gain of one or more electrons. 1.) an action performed or a feeling experienced in response to a situation or event. A person's ability to respond physically and mentally to external stimuli. A adverse physiological response to a substance that has been breathed in, ingested, or touched.
Words in play of capital when actions create reactions.
Etymology: Converse
Submitted by Tehorah_Elyon on April 17, 2024
Matched Categories
British National Corpus
Spoken Corpus Frequency
Rank popularity for the word 'reaction' in Spoken Corpus Frequency: #1866
Written Corpus Frequency
Rank popularity for the word 'reaction' in Written Corpus Frequency: #2337
Nouns Frequency
Rank popularity for the word 'reaction' in Nouns Frequency: #616
Usage in printed sourcesFrom:
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Anagrams for reaction »
actioner
anticore
creation
anerotic
ceration
Numerology
Chaldean Numerology
The numerical value of reaction in Chaldean Numerology is: 1
Pythagorean Numerology
The numerical value of reaction in Pythagorean Numerology is: 4
Examples of reaction in a Sentence
Last summer, the possibility of a scientifically productive mission for Kepler after its reaction wheel failure in its extended mission was not part of the conversation.
She looked at the stack of reviews and her reaction was delight.
We want the game back where it belongs, this was a knee-jerk, hypocritical and illegal reaction to misinformation about Georgia’s new voting law which includes voter ID.
I think this is a direct reaction to what they did in Iraq. The fact that they went on a timetable, they withdrew all Americans, and now they are back in a much worse situation where Iraq is sort of being divided between ISIS and Iran, sort of the worst of both worlds, [The administration understands] that the timeline is really not something you can stick to.
My reaction (to the share price) is if we build and build well, shareholders will be rewarded. We're certainly not measuring our success over a day, it really is over the years.
Popularity rank by frequency of use
References
Translations for reaction
From our Multilingual Translation Dictionary
- reaksieAfrikaans
- تفاعل, رد فعلArabic
- рэакцыяBelarusian
- реакцияBulgarian
- reaccióCatalan, Valencian
- reakceCzech
- reaktionDanish
- ReaktionGerman
- reago, reakcioEsperanto
- reacciónSpanish
- رآکسیون, واکنشPersian
- vastatoimi, reaktioFinnish
- réactionFrench
- frithghníomhaíocht, imoibriúIrish
- reacciónGalician
- प्रतिक्रयाHindi
- reakcióHungarian
- փոխազդեցություն, հետադիմություն, ռեակցիաArmenian
- reaksiIndonesian
- hvörf, hvarfIcelandic
- reazioneItalian
- 反応, 反動Japanese
- 反動, 反應, 반응, 반동Korean
- ReaktiounLuxembourgish, Letzeburgesch
- tauhohengaMāori
- tindak balas, reaksiMalay
- reaksjonNorwegian
- reactieDutch
- reaksjonNorwegian Nynorsk
- ਰੇਅਕ੍ਤਿਓਨPanjabi, Punjabi
- reakcjaPolish
- reaçãoPortuguese
- reacția, reacțieRomanian
- реакцияRussian
- reagimAlbanian
- reaktionSwedish
- mmenyukoSwahili
- ปฏิกิริยาThai
- tepki, reaksiyonTurkish
- реакціяUkrainian
- phản ứng, 反應Vietnamese
- אָפּרוףYiddish
Get even more translations for reaction »
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"reaction." Definitions.net. STANDS4 LLC, 2025. Web. 16 Feb. 2025. <https://www.definitions.net/definition/reaction>.
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