Definition of Brownian motion noun from the Oxford Advanced Learner's Dictionary


Brownian motion

BrE BrE//ˈbraʊniən məʊʃn//
; NAmE NAmE//ˈbraʊniən moʊʃn//
[uncountable] (physics)
jump to other results
the movement without any regular pattern made by very small pieces of matter in a liquid or gas This slide shows how Brownian motion appears through a microscope. The mathematics behind Brownian motion was applied to stock market fluctuations.
See the Oxford Advanced American Dictionary entry: Brownian motion