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 …

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, …

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.

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

Community Interactions offers disability and autism care, assisted living and activities in communities in Pennsylvania & Delaware.

Oct 31, 2025 · interaction (countable and uncountable, plural interactions) Be aware of interactions between different medications. Such technologies will also “shape future human …