reactions Definition and Meaning in English (reactions definition)
nounReactions definition: Reactions are the actions or feelings that people have in response to a particular situation or event.
Definitions of Reactions
- 1noun
Reactions are the actions or feelings that people have in response to a particular situation or event.
- 2noun
In chemistry, reactions are processes that involve the rearrangement of the molecular or ionic structure of a substance, typically resulting in the formation of new substances.
- 3noun
A reaction can also refer to an adverse physiological response to a substance, especially a drug or allergen, indicating an intolerance or sensitivity.
Example Sentences
“The audience's reactions to the new play were mixed, with some praising it and others criticizing its plot.”
“Scientists are studying the complex chemical reactions that occur during the process of photosynthesis in plants.”
“She had a severe allergic reaction to the medication, requiring immediate medical attention.”
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Phrases & Idiomatic Expressions
A series of events, each caused by the previous one.
An unwanted or harmful effect, especially from a drug or treatment.
A quick, automatic response without much thought.
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