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脲 — pronunciations, definitions, and tags
HanziPinyinEnglishTags
niàoureanz, 11 strokes, radical ⺼, rank #88013, Very Hard
niàocarbamideunknown, 11 strokes, radical ⺼, rank #88013, Very Hard
niàourea (NH2)2COunknown, 11 strokes, radical ⺼, rank #88013, Very Hard
niàoalso written 尿素unknown, 11 strokes, radical ⺼, rank #88013, Very Hard
niào(niao4) T4
  1. 1urea
  2. 2carbamide
Listen to the audio pronunciation 3 times to gain XP
March 24, 2026
niào(niao4)

脲 (niào) refers to urea, a nitrogen-containing compound produced in the liver and excreted in urine. It is commonly used in fertilizers and is significant in the context of biology and chemistry. In medical contexts, understanding urea is essential for discussing kidney function and metabolic processes.

Strokes11RadicalFrequency#88013DifficultyVery Hard
Cultural Note

In traditional Chinese medicine, understanding bodily fluids, including urea, is important for diagnosing health conditions. Urea levels can indicate hydration and overall health, reflecting the holistic view of the body in Chinese culture.

Memory Tip

Think of the character 脲 as a 'foot' (月) standing on a 'root' (丿), representing how urea is derived from the body's metabolism and is excreted through urine. The sound 'niào' can be remembered by associating it with 'now,' suggesting the urgency of biological waste removal.

Meanings of 脲

niào(niao4)
1urea
2carbamide
Exercise 1 of 2

Listen & Choose the Meaning

Choose the correct answer:

About 脲

Simplified
11Strokes
Radical
其它专名míngcíproper noun (pr.n.)Part of Speech
#—Frequency Rank

Podcast: 脲

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AI Study Notes for 脲

Memory Mnemonic

Think of the character 脲 as a 'foot' (月) standing on a 'root' (丿), representing how urea is derived from the body's metabolism and is excreted through urine. The sound 'niào' can be remembered by associating it with 'now,' suggesting the urgency of biological waste removal.

Usage Notes

脲 is typically used in scientific contexts, particularly in biochemistry and agriculture. It is often confused with 尿 (niào), which means urine; keep in mind that 脲 specifically refers to urea itself. Use this term in formal discussions about health or science.

HSK Study Tips

Although 脲 is not part of the HSK vocabulary lists, it connects to concepts in higher-level studies of biology and chemistry. Focus on its usage in scientific discussions and familiarize yourself with related terms like 尿 (urine) and 尿素 (urea).

Cultural Note

In traditional Chinese medicine, understanding bodily fluids, including urea, is important for diagnosing health conditions. Urea levels can indicate hydration and overall health, reflecting the holistic view of the body in Chinese culture.

Common Mistakes

Learners often confuse 脲 with 尿, mistakenly using them interchangeably, such as saying '我需要脲' (I need urea) instead of '我需要尿' (I need urine). Remember that 脲 is specifically about the chemical compound, while 尿 refers to the bodily fluid.

AI-enhanced 2026-03-24

Pronunciation of 脲

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Etymology of 脲

Formation Typepictophonetic
六书 ClassificationPhono-semantic (形声字)~80-90% of characters
Memory Hint

organic compound

Semantic (meaning)
+
Phonetic (sound)尿
Learn more about Phono-semantic (形声字) characters
Exercise 1 of 1

Character Formation Type

What type of character formation is 脲?

Decomposition of 脲

IDS Structure⿰⺼尿
Full Character
=
rou4
left
尿niao4
right
Exercise 1 of 2

Identify the Components

Which of these is a component of 脲?

Write 脲

Practice writing stroke by stroke. Watch the animation to learn the stroke order, then try writing it yourself.

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Grammar Patterns of 脲

脲 functions as a noun — it names a person, place, thing, or concept. Place it as a subject before the verb (主+谓) or as an object after the verb (谓+宾). Most Chinese nouns require a measure word between the number and the noun (e.g. 一个/三本). It carries 4 related meanings, each with its own usage notes below. The example sentences below show it in action, with practice buttons (Listen, Practice Writing, Practice Speaking) on every line.

Exercise 1 of 2

Complete the Sentence

这类含氮化合物的例子是咪____唑,三聚氰酸三酰胺, 三聚氰酸一酰胺.

Examples of such nitrogenous compounds are imidurazole, ammeline, ammelide.

Example Sentences for 脲 (2)

Listen to all sentences once to receive XP
1
这类含氮化合物的例子是咪脲唑,三聚氰酸三酰胺, 三聚氰酸一酰胺.

zhè lèi hán dàn huà hé wù de lì zǐ shì mī niào zuò, , sān jù qíng suān sān xiān, àn , sān jù qíng suān yī.

Examples of such nitrogenous compounds are imidurazole, ammeline, ammelide.
2
其中原料药苯丙氨酯和氯磺丙脲为国内独家产品.

qí zhōng yuán liào yào běn bǐng ān zhǐ hé lǜ huáng bǐng niào wéi guó nèi dú jiā chǎn pǐn.

Among of them, Phenprobamate and Chlorpropamide are exclusive domestic products.

Cultural Notes for 脲

🏮Cultural insight

In traditional Chinese medicine, understanding bodily fluids, including urea, is important for diagnosing health conditions. Urea levels can indicate hydration and overall health, reflecting the holistic view of the body in Chinese culture.

Word Family of 脲

Words Containing This Character1
niàocarbamide
Exercise 1 of 1

Compound Meaning

What does 脲 mean?

Frequently Asked Questions about 脲

脲 (niào) refers specifically to urea, while 尿 (niào) means urine. Urea is a component of urine, but they are not interchangeable.