Reaction may refer to a process or to a
response
Response may refer to:
*Call and response (music), musical structure
*Reaction (disambiguation)
*Request–response
**Output or response, the result of telecommunications input
*Response (liturgy), a line answering a versicle
* Response (music) o ...
to an action, event, or exposure.
Physics and chemistry
*
Chemical reaction
A chemical reaction is a process that leads to the chemistry, chemical transformation of one set of chemical substances to another. When chemical reactions occur, the atoms are rearranged and the reaction is accompanied by an Gibbs free energy, ...
*
Nuclear reaction
In nuclear physics and nuclear chemistry, a nuclear reaction is a process in which two atomic nucleus, nuclei, or a nucleus and an external subatomic particle, collide to produce one or more new nuclides. Thus, a nuclear reaction must cause a t ...
*
Reaction (physics)
As described by the third of Newton's laws of motion of classical mechanics, all forces occur in pairs such that if one object exerts a force on another object, then the second object exerts an equal and opposite reaction force on the first. The t ...
, as defined by Newton's third law
*
Chain reaction (disambiguation)
A chain reaction in chemistry or physics is a sequence of reactions where a reactive product or by-product causes additional reactions to take place.
Chain reaction or The Chain reaction may also refer to:
Media
* ''Chain Reaction'' (game show), ...
Biology and medicine
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Adverse drug reaction
An adverse drug reaction (ADR) is a harmful, unintended result caused by taking medication. ADRs may occur following a single dose or prolonged administration of a drug or may result from the combination of two or more drugs. The meaning of this ...
*
Allergic reaction
Allergies, also known as allergic diseases, are various conditions caused by hypersensitivity of the immune system to typically harmless substances in the environment. These diseases include Allergic rhinitis, hay fever, Food allergy, food al ...
*Reflex, neural reaction
*Hypersensitivity, immune reaction
*Intolerance (disambiguation)
*Light reaction (disambiguation)
Psychology
*Emotional, reaction
*Reactivity (psychology), Reactivity
*Proactivity, opposite of reactive behaviour
*Reactive attachment disorder
Politics and culture
*Reactionary, a political tendency
*Reaction video
*Commentary (disambiguation)
Proper names and titles
*Reaction (album), ''Reaction'' (album), a 1986 album by American R&B singer Rebbie Jackson
**Reaction (song), "Reaction" (song), the title song from the Rebbie Jackson album
*"Reaction", a single by Dead Letter Circus
*''Reactions'', a 2018 album by The Mods (band), The Mods
*ReAction GUI, a GUI toolkit used on AmigaOS
*Reaction.life, a political news and commentary website edited by Iain Martin
*Reaction Records, a record label
*''TNA Reaction'', a former documentary show of TNA Wrestling (now known as Impact Wrestling) behind the scenes
*Reaction (The Spectacular Spider-Man), Reaction (''The Spectacular Spider-Man''), an episode of the American animated television series ''The Spectacular Spider-Man''
*''The Reaction'', a List of Animorphs books, novel in the ''Animorphs'' series
*Reactions (journal), ''Reactions'' (journal), a chemistry journal published by MDPI
See also
*Action (disambiguation)
*Stimulus (disambiguation)
* Thermidorian Reaction
{{Disambiguation