污泥 (wū ní) — sludge; mud; mire

Definition

Refers to thick, wet waste residue (industrial sludge, sewage) — 污泥 emphasizes the polluted/industrial sense, while 泥 is plain mud on the ground.

noun
sludgemudmire

Examples

  • 污泥。
    Gōng chǎng pái chū de wū ní xū yào chǔ lǐ.
    The sludge discharged from the factory needs to be treated.
  • 污泥,。
    Yǔ hòu lù shang quán shì wū ní, hěn nán zǒu.
    After the rain, the road was all mud and very hard to walk on.
  • 污泥。
    Zhè zhǒng wū ní kě yǐ yòng lái zuò féi liào.
    This kind of sludge can be used to make fertilizer.

Origin

Compound word
构词法gòucífǎ
偏正piānzhèngModifier + head

The first part narrows down the second: it says what kind of thing the head is.

污wūdirty

污泥 is 泥 'mud' made foul by 污 'dirty'.

Characters in this word

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

This origin belongs to the traditional form 汙; 污 is its simplified writing.

Meaning part形符xíngfú
Sound part声符shēngfú
于
于yú汙wū
The sound has drifted apartThe sound part was a clue two thousand years ago — it often still helps, but not always.

The traditional form 汙 pairs 水 (water) with 于 for the sound; the simplified 污 is a later shorthand.

Open 污 →

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

Meaning part形符xíngfú
氵Written in full as水shuǐwater
Sound part声符shēngfú
尼
尼ní泥nì
Same sound today

The left side is 氵, the water part; the right side is 尼, which gives the sound.

Open 泥 →

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