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

INTERACTION definition: 1. an occasion when two or more people or things communicate with or react to each other: 2. an…. Learn 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 …

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

Interaction definition: reciprocal action, effect, or influence.. See examples of INTERACTION used in a sentence.

in•ter•ac•tion, n. [uncountable] social interaction between men and women. [countable] day-to-day interactions. in•ter•ac•tive, adj.: Interactive video lets the user decide what to see on the screen.