[Brown.ian motion] n [Robert Brown d. 1858 Scot. botanist] (ca. 1889): a random movement of microscopic particles suspended in liquids or gases resulting from the impact of molecules of the fluid surrounding the particles--called also Brownian movement
BROWNIAN MOTION
Meaning of BROWNIAN MOTION in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012