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

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

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

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 …

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

Interaction is action that occurs between two or more entities, generally used in philosophy and the sciences. It may refer to:

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

Oct 30, 2025 · Use WebMD’s Drug Interaction Checker to identify potential interactions between medications, supplements, and foods. Reduce side effects and support safer treatment decisions.

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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.