Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun interaction

2 senses of interaction

Sense 1
interaction -- (a mutual or reciprocal action; interacting)
       => action -- (something done (usually as opposed to something said); "there were stories of murders and other unnatural actions")

Sense 2
interaction, fundamental interaction -- ((physics) the transfer of energy between elementary particles or between an elementary particle and a field or between fields; mediated by gauge bosons)
       => physical phenomenon -- (a natural phenomenon involving the physical properties of matter and energy)