The meaning of INTERACTION is mutual or reciprocal action or influence. How to use interaction in a sentence.

Communicating & keeping in touch (Definition of interaction from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

Definition of interaction noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

(of two or more people, things etc) to act, or have some effect, on each other.

Interaction, or an interaction, of substances occurs when the substances affect each other's behavior or action. One possible drug interaction can involve the drugs working together to have a stronger …

3 days ago · interaction (countable and uncountable, plural interactions) The situation or occurrence in which two or more objects or events act upon one another to produce a new effect; the effect …

A conversation or exchange between people. I enjoyed the interaction with a bunch of like-minded people.