what is interaction synonym
interaction. n. 1. a mutual or reciprocal action or influence. 2. (General Physics) physics the transfer of energy between elementary particles, between a particle and a field, or between fields.nteraction - (physics) the transfer of energy between elementary particles or between an elementary particle and a field or between fields; mediated by gauge bosons. fundamental interaction. natural philosophy, physics-the science of matter and energy and their interactions; his favorite subject was physics.