[ 'braʊnɪən ]
■ noun Physics the erratic random movement of microscopic particles in a fluid, as a result of continuous bombardment from molecules of the surrounding medium.
Origin
C19: named after the Scottish botanist Robert Brown .
[ 'braʊnɪən ]
■ noun Physics the erratic random movement of microscopic particles in a fluid, as a result of continuous bombardment from molecules of the surrounding medium.
Origin
C19: named after the Scottish botanist Robert Brown .
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004