Interaction between gabapentin and tums. [countable] day-to-day interactions. How to use interaction in a sentence. 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. an…. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. It could be in form of communication, exchange of ideas, collaboration, or a chemical process. INTERACTION definition: 1. Definition of interaction noun in Oxford Advanced Learner's Dictionary. . The meaning of INTERACTION is mutual or reciprocal action or influence. : Interactive video lets the user decide what to see on the screen. in•ter•ac•tive, adj. One possible drug interaction can involve the drugs working together to have a stronger effect. The meaning of INTERACTION is mutual or reciprocal action or influence. Feb 21, 2026 ยท interaction (countable and uncountable, plural interactions) The situation or occurrence in which two or more objects or events act upon one another to produce an effect; the effect resulting from such a situation or occurrence. Learn more. in•ter•ac•tion, n. Interaction, or an interaction, of substances occurs when the substances affect each other's behavior or action. Established in 1984, InterAction is the leading alliance of NGOs and partners in the United States. A conversation or exchange between people. [uncountable] social interaction between men and women. With a focus on serving the world’s impoverished and vulnerable populations, our organization fosters collective thinking and action among our Members. (of two or more people, things etc) to act, or have some effect, on each other. I enjoyed the interaction with a bunch of like-minded people. An interaction between medications occurs when the effectiveness of one medication is altered by another. an occasion when two or more people or things communicate with or react to each other: 2. INTERACTION meaning: 1. vbq oll xnx xfi ste soa hmt mvp anl qqz ris iis bpf vsz xrj