interaction

US /ˌɪn.t̬ɚˈræk.ʃən/

UK /ˌɪn.t̬ɚˈræk.ʃən/

1.

reciprocal action or influence

:

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The interaction between the two chemicals caused an explosion.

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Social interaction is important for mental health.

:

communication contact exchange interplay reciprocity

:

interactive interact interactive whiteboard