Brownian movement(redirected from Richard Zsigmondy)
Also found in: Thesaurus, Medical, Encyclopedia.
Brownian movement(ˈbraʊnɪən) or
(General Physics) random movement of microscopic particles suspended in a fluid, caused by bombardment of the particles by molecules of the fluid. First observed in 1827, it provided strong evidence in support of the kinetic theory of molecules
[C19: named after Robert Brown]
The random motion of microscopic particles suspended in a gas or liquid.