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.

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

Definition of interaction noun from the Oxford Advanced Learner's Dictionary. interaction (between A and B) | interaction (of A) (with B) the act of communicating with somebody, especially while …

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 …

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

Definition of interaction. English dictionary and integrated thesaurus for learners, writers, teachers, and students with advanced, intermediate, and beginner levels.

Dec 14, 2025 · 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 …

If you interact with someone — by talking, looking, sharing, or engaging in any kind of action that involves the two of you — you can be said to have had an interaction with that person.

The situation or occurrence in which two or more objects or events act upon one another to produce a new effect; the effect resulting from such a situation or occurrence. Be aware of …