Brownian motion

noun
Brown·​ian motion | \ ˈbrau̇-nē-ən- How to pronounce Brownian motion (audio) \

Definition of Brownian motion

: a random movement of microscopic particles suspended in liquids or gases resulting from the impact of molecules of the surrounding medium

called also Brownian movement

First Known Use of Brownian motion

1849, in the meaning defined above

History and Etymology for Brownian motion

Robert Brown †1858 Scottish botanist

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More Definitions for Brownian motion

Brownian motion

noun
Brown·​ian motion | \ ˌbrau̇-nē-ən- How to pronounce Brownian motion (audio) \

Medical Definition of Brownian motion

: 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