An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

The act or process of agitating; state of being agitated. → thermal agitation.

Verbal noun of → agitate.

1) The random movement of the molecules of a substance, the energy of which is, by kinetic theory, synonymous with the heat content of the substance.
2) Solid state physics: The random motion of free electrons in a conductor due to heat energy.

→ thermal; → agitation.