Noun: interaction ,in-tu'rak-shun
- A mutual or reciprocal action; interacting
"The interaction between the teacher and students was lively and engaging"
- (physics) the transfer of energy between elementary particles or between an elementary particle and a field or between fields; mediated by gauge bosons
"Gravity is one of the four fundamental interactions in nature";
- fundamental interaction
Derived forms: interactions
Type of: action, physical phenomenon
Encyclopedia: Interaction