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)

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

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

One possible drug interaction can involve the drugs working together to have a stronger effect. An interaction between medications occurs when the effectiveness of one medication is altered by …

4 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.