Meaning of the word reaction in English

What does reaction mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

reaction

US /riˈæk.ʃən/
UK /riˈæk.ʃən/
"reaction" picture

Noun

1.

an action or feeling provoked by an event or situation

Example:
His immediate reaction was to call for help.
What was her reaction to the news?
2.

a chemical process in which two or more substances interact to form new substances

Example:
The experiment involved a complex chemical reaction.
Heat can accelerate the reaction.
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