/ˌɪntəɹˈækʃən/► audioScrabble 13Words With Friends 16
Definition
noun a mutual or reciprocal action.
noun (physics) the transfer of energy between elementary particles or between an elementary particle and a field or between fields.
— synonyms: fundamental_interaction
Examples
“Be aware of interactions between different medications.”
“I enjoyed the interaction with a bunch of like-minded people.”