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: The act or process of interacting.

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 …

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

Jun 23, 2025 · Established in 1984, InterAction is the leading alliance of NGOs and partners in the United States. With a focus on serving the world’s impoverished and vulnerable populations, our …

interaction noun [C, U] (THINGS) the way that two or more things combine and have an effect on each other

Nov 5, 2025 · This tool explains what the interaction is and how it occurs, the level of importance and how to handle the drug interaction. It will also display any interactions between your chosen …