Brownian motion
noun /ˌbraʊniən ˈməʊʃn/
/ˌbraʊniən ˈməʊʃn/
[uncountable] (physics)- 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.