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Brownian motion
(redirected from Brown movement)

   Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.
Brown·i·an motion  (broun-n)
n.
The random movement of microscopic particles suspended in a liquid or gas, caused by collisions with molecules of the surrounding medium. Also called Brownian movement.

[After Robert Brown.]

Brownian motion  (broun-n)
The random movement of microscopic particles suspended in a liquid or gas, caused by collisions between these particles and the molecules of the liquid or gas. This movement is named for its identifier, Scottish botanist Robert Brown (1773-1858). See also kinetic theory.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.Brownian motion - the random motion of small particles suspended in a gas or liquidBrownian motion - the random motion of small particles suspended in a gas or liquid
motion, movement - a natural event that involves a change in the position or location of something


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A vibrant movement for community control of public schools in predominantly black and Puerto Rican areas throughout Brooklyn and Harlem also provided a context for increased black and brown movement militancy on the City College and Lehman College campuses.
He had not fully converted to the Brown fightback in the manner of Alastair Campbell, Tony Blair's former director of communications, who has been leading the Defend Brown movement.
 
 
 
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