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

  1. 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"

  2. reactionnoun

    an idea evoked by some experience

    "his reaction to the news was to start planning what to do"

  3. 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"

  4. 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"

  5. 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"

  6. reactionnoun

    extreme conservatism in political or social matters

    "the forces of reaction carried the election"

  7. 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

  1. Reactionnoun

    An action by a person or people in response to an event. The reaction may be primarily mental (

Wiktionary

  1. reactionnoun

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

  2. 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.

  3. Etymology: reaction, from reactio, from the verb reago, from re- + ago. More at English re-, action.

Samuel Johnson's Dictionary

  1. 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

  1. 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

  1. Reactionnoun

    any action in resisting other action or force; counter tendency; movement in a contrary direction; reverse action

  2. 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

  3. 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

  4. 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

  5. Reactionnoun

    backward tendency or movement after revolution, reform, or great progress in any direction

  6. Etymology: [Cf. F. raction.]

Wikidata

  1. 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.

British National Corpus

  1. Spoken Corpus Frequency

    Rank popularity for the word 'reaction' in Spoken Corpus Frequency: #1866

  2. Written Corpus Frequency

    Rank popularity for the word 'reaction' in Written Corpus Frequency: #2337

  3. Nouns Frequency

    Rank popularity for the word 'reaction' in Nouns Frequency: #616

Anagrams for reaction »

  1. actioner

  2. anticore

  3. creation

  4. anerotic

  5. ceration

How to pronounce reaction?

How to say reaction in sign language?

Numerology

  1. Chaldean Numerology

    The numerical value of reaction in Chaldean Numerology is: 1

  2. Pythagorean Numerology

    The numerical value of reaction in Pythagorean Numerology is: 4

Examples of reaction in a Sentence

  1. White House spokesman Josh Earnest:

    The President's reaction to that, though, is that The President has never been more confident about our ability to confront successfully those challenges.

  2. Carl Davis:

    My first reaction was shock and disbelief. Then it turned to anger.

  3. John Eastman:

    So if somebody were just to say, I don't like the results, even though they were properly conducted and there's no evidence of fraud, I don't like the results as I'm going to certify my favorite slate of electors. The political reaction to that would be so severe and so swift, and nobody would do that. And nobody has done it in 150 years. But what we have here is a systematic violation of state laws by election officials, t his level of corruption just can't be allowed to stand. And I think that makes, I think that makes the exercise of the vice president's power here very compelling.

  4. Jacek Sledzinski:

    When I heard the news about the franc my first reaction was disbelief. Then came slight horror - what would happen next.

  5. Purvi Parikh:

    Anaphylaxis is a severe multi-organ reaction and often patients need multiple doses of epinephrine for survival.

Popularity rank by frequency of use

reaction#1#3960#10000

Translations for reaction

From our Multilingual Translation Dictionary

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"reaction." Definitions.net. STANDS4 LLC, 2024. Web. 19 Mar. 2024. <https://www.definitions.net/definition/reaction>.

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