interaction

[ in-ter-ak-shuhn ]
See synonyms for: interactioninteractions on Thesaurus.com

noun
  1. reciprocal action, effect, or influence.

  2. Physics.

    • the direct effect that one kind of particle has on another, in particular, in inducing the emission or absorption of one particle by another.

    • the mathematical expression that specifies the nature and strength of this effect.

Origin of interaction

1
First recorded in 1825–35; inter- + action

Other words from interaction

  • in·ter·ac·tion·al, adjective

Words Nearby interaction

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How to use interaction in a sentence

British Dictionary definitions for interaction

interaction

/ (ˌɪntərˈækʃən) /


noun
  1. a mutual or reciprocal action or influence

  2. physics the transfer of energy between elementary particles, between a particle and a field, or between fields: See strong interaction, electromagnetic interaction, fundamental interaction, gravitational interaction, weak interaction, electroweak interaction

Derived forms of interaction

  • interactional, adjective

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