DICTIONARY · CC-CEDICT

布朗運動

简布朗运动 · 繁布朗運動

Mandarin · pinyin Bù lǎng yùn dòng

(physics) Brownian motion

Full entryShow on map

Characters in this entry

布: bù · cotton cloth, textiles, linen
朗: lǎng · clear, bright; distinct
運: Look up this written character
動: dòng · move, happen; movement, action
运: yùn · luck, fortune; ship, transport
动: dòng · move, happen; movement, action

Written characters and their own readings; the entry’s pronunciation is shown above.

Explore the spelling

Mandarin tones

4–3–4–4 · Bu4 lang3 yun4 dong4

Compare attested words with these syllables ↗

Dictionary tones. Connected speech can change their realization.

Connected dictionary

5character links

Explore word families ↗Compare pronunciations ↗Open character structure ↗

Counts describe dictionary records, not word frequency or semantic similarity. Source identities stay separate.

Read this spelling in Classical texts

Follow a written form into the eight pinned witnesses: Analects, Mencius, Laozi, Zhuangzi, Xunzi, Han Feizi, Sunzi and the Mao Shijing. A match is a place to investigate; it does not prove that a modern dictionary sense fits the passage.

布朗運動 · find source passages ↗ · 布朗运动 · find source passages ↗

Explore Classical grammar ↗

Compare dictionary sources Wiktionary · 1 sense · 1 Cantonese reading

Rime Cantonese 粵拼

bou3 long5 wan6 dung6

Cantonese word readings for 布朗運動. This lexicon supplies readings, not definitions.

CanCLID contributors · CC BY 4.0 · source & license · Data pack

Wiktionary English definitions · Chinese section

Independent source senses for this spelling, with usage labels retained. Not matched to the pronunciation above.

noun

(statistical mechanics) Brownian motion

Source page · dump 2026-09-02 · Contributors & history

Wiktionary contributors · CC BY-SA 4.0 · source & license · Data pack