Brownian-motion definition

brounē-ən
The random movement of microscopic particles suspended in a liquid or gas, caused by collisions with molecules of the surrounding medium.
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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).
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(physics) Random motion of particles suspended in a fluid, arising from those particles being struck by individual molecules of the fluid.
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Origin of brownian-motion

  • After Robert Brown

    From American Heritage Dictionary of the English Language, 5th Edition

  • Named after botanist Robert Brown (1773-1858) who investigated the movement of pollen suspended in water.

    From Wiktionary