Brownian motion

== English == === Etymology === Named after Scottish botanist Robert Brown (1773–1858), who investigated the movement of pollen suspended in water. === Noun === Brownian motion (countable and uncountable, plural Brownian motions) (statistical mechanics) Random motion of particles suspended in a fluid, arising from those particles being struck by individual molecules of the fluid. (idiomatic) A state of chaos or disarray. ==== Synonyms ==== Brownian movement ==== Related terms ==== Brown noise ==== Translations ====