brownian motion Brownian • brownian movement · · · Info · Definitions · Characters · · brownian motion · · Text Common · · Latin · · Scripts 15 · · Length 5 · · Syllables Definitions · · · (noun) the random motion of small particles suspended in a gas or liquid. Synonyms: Brownian movement, Brownian motion, pedesis. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074 w latin small letter w U+0077