Phrase guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
No pronunciation record was provided for this word.
noun
Random motion of particles suspended in a fluid, arising from those particles being struck by individual molecules of the fluid.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Qualifier: statistical mechanics
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
A state of chaos or disarray.
Definition source: English Wiktionary via Wiktextract
Usage: countable, idiomatic, uncountable
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
the random motion of small particles suspended in a gas or liquid
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: Brownian movement, pedesis
Antonyms: none provided
Broader terms: movement, motion
History
Named after Scottish botanist Robert Brown (1773–1858), who investigated the movement of pollen suspended in water.
Across languages
19 source translations are retained for this English entry.
