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 …

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

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.

Dec 14, 2025 · interaction (countable and uncountable, plural interactions) Be aware of interactions between different medications. Such technologies will also “shape future human …

interaction definition: communication or direct involvement with someone or something. Check meanings, examples, usage tips, pronunciation, domains, and related words.

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

Interaction is a reciprocal action or influence that occurs between two or more objects, substances, people or systems, where each has an effect on the other. It could be in form of …