Meaning & use
interaction
A mutual or reciprocal action or exchange between two or more people, groups, or things.
See it in a sentence
Daily interaction with customers helped her improve her communication skills quickly.
Scientists studied the interaction between the two chemicals under different temperatures.
A note on using this word
Interaction is often used with 'between' or 'with' and applies broadly, from social conversation to physical or chemical effects between substances.
Words with a similar meaning
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