n. (also Brownian motion) Physics the erratic random movement of microscopic particles in a liquid, gas, etc., as a result of continuous bombardment from molecules of the surrounding medium. [R. Brown, Sc. botanist d. 1858]
BROWNIAN MOVEMENT
Meaning of BROWNIAN MOVEMENT in English
English main colloquial, spoken dictionary. Английский основной разговорный словарь. 2012