'Brownian motion' definitions:
Definition of 'Brownian motion'
From: WordNet
noun
The random motion of small particles suspended in a gas or liquid [syn: Brownian movement, Brownian motion, pedesis]
Definition of 'Brownian motion'
From: GCIDE
- Brownian \Brown"i*an\, a. Pertaining to Dr. Robert Brown, who first demonstrated (about
- 1827) the commonness of the motion described below. [1913 Webster]
- Brownian motion, Brownian movement, the peculiar, rapid, vibratory movement exhibited by the microscopic particles of substances when suspended in water or other fluids. [1913 Webster]