interaction

Meanings

1. 1
   noun

   the transfer of energy between elementary particles, between an elementary particle and a field, or between fields

   The interaction between the two quarks was measured by the synchrotron.

2. 2
   noun

   The situation or occurrence in which two or more objects or events act upon one another to produce an effect; the effect resulting from such a situation or occurrence.

   Be aware of interactions between different medications.

3. 3
   noun

   A conversation or exchange between people.

   I enjoyed the interaction with a bunch of like-minded people.

4. 4
   noun

   a mutual or reciprocal action

Etymology

Borrowed from Medieval Latin interāctiō.