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March 24, 2026
毫米háomǐ(hao2mi3)
毫米 (háo mǐ) refers to a unit of measurement equal to one thousandth of a meter, commonly used in fields such as engineering, construction, and science. It is often used to specify dimensions or tolerances in technical contexts, highlighting precision and accuracy.
Frequency#6667DifficultyMedium
Cultural Note
In China, precise measurements are crucial in manufacturing and construction industries, where 毫米 is frequently used. The emphasis on accuracy reflects the country's commitment to quality in production.
Memory Tip
Imagine a tiny millimeter as a small, thin hair (毫) that measures just a sliver of space (米). Picture yourself using a ruler where each millimeter is represented by a single hair, making it easier to remember the small scale of this measurement.
Meanings of 毫米
háomǐ(hao2mi3)
1millimeter
Exercise 1 of 2
Listen & Choose the Meaning
Choose the correct answer:
About 毫米
毫米Simplified
—Strokes
—Radical
量词liàngcímeasure word (mw.)Part of Speech
#6667Frequency Rank
HSK 2.0L6HSK 3.0L6IntermediateTOCFLL4HSKKL2CEFRB1
Podcast: 毫米
Podcast: 毫米
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AI Study Notes for 毫米
Memory Mnemonic
Imagine a tiny millimeter as a small, thin hair (毫) that measures just a sliver of space (米). Picture yourself using a ruler where each millimeter is represented by a single hair, making it easier to remember the small scale of this measurement.
Usage Notes
Be careful not to confuse 毫米 with other units like 厘米 (centimeter) or 米 (meter). This term is more commonly used in technical contexts, so it's less formal in everyday conversation. When discussing measurements, you might say '长10毫米' (10 millimeters long) to specify size.
HSK Study Tips
As an HSK Level 6 word, 毫米 connects well with other measurement-related vocabulary. Students should focus on using it in the context of discussing sizes and dimensions, which is common in technical discussions and academic writing.
Cultural Note
In China, precise measurements are crucial in manufacturing and construction industries, where 毫米 is frequently used. The emphasis on accuracy reflects the country's commitment to quality in production.
Common Mistakes
Learners often mistakenly use 毫米 when they mean 厘米. For example, saying '这条线长5毫米' (This line is 5 millimeters long) when they actually mean 'centimeters' can lead to confusion. Always double-check the unit you are referring to.
AI-enhanced 2026-03-24
Pronunciation of 毫米
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Grammar Patterns of 毫米
毫米 functions as a measure word. Place it between a number/demonstrative and the noun it counts (一本书, 这个人). Different categories of nouns require different measure words. The example sentences below show it in action, with practice buttons (Listen, Practice Writing, Practice Speaking) on every line.
Exercise 1 of 4
Complete the Sentence
这辆轿车比原先的车型短了约40____。
The car is some 40mm shorter than its predecessor.
Example Sentences for 毫米 (10)
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1
这辆轿车比原先的车型短了约40毫米。
zhè liàng jiào chē bǐ yuán xiān de chē xíng duǎn le yuē40 40 háo。
The car is some 40mm shorter than its predecessor.
2
本地区去年的降雨量不足50毫米.
běn dì qū qù nián de jiàng yǔ liáng bù zú50 50 háo.
The annual rainfall in this area was less than 50 mm last year.
3
这块宝石高28.6毫米，重139.43克拉。
zhè kuài bǎo shí gāo28.6 28.6 háo， mǐ139.43 ， zhòng。
The gemstone is 6 millimetres high and weighs 43 carats.
4
高：210毫米；宽：57毫米；长：170毫米。
gāo：210 ：210 háo； mǐ：57 ； kuān； ：57：170 háo mǐ。
Height: 210 mm. Width: 57 mm. Length: 170 mm.
5
这种机器可用来冲洗500毫米见方的底片,并得到很均匀的效果.
zhè zhǒng jī qì kě yòng lái chōng xǐ500 500 háo mǐ jiàn fāng de dǐ, piàn , bìng dé dào hěn jūn yún de.
The machine is capable of processing 500 mm square plates very uniformly.
6
口径为120毫米的迫击炮的射程是1.8万码。
kǒu jìng wéi120 120 háo mǐ de pò jī páo de shè chéng1.8 shì 1.8。
The 120mm mortar has a range of 18,000 yards.
7
利雅得在12小时内降水就达25毫米。
lì yǎ dé zài12 12 xiǎo shí nèi jiàng shuǐ jiù25 dá 25。
Riyadh got 25 mm of rain in just 12 hours.
8
媒体报道称24小时内的降雨量达到了65毫米。
méi tǐ bào dào chēng24 24 xiǎo shí nèi de jiàng yǔ liáng dá dào65 le 65。
Press reports said that 65mm of water fell in twenty four hours.
Lay strips of 4mm ply over the mesh and nail these down with panel pins.
Cultural Notes for 毫米
🏮Cultural insight
In China, precise measurements are crucial in manufacturing and construction industries, where 毫米 is frequently used. The emphasis on accuracy reflects the country's commitment to quality in production.
Frequently Asked Questions about 毫米
You would say '我需要以毫米为单位的测量'.
It's more common in technical or scientific contexts than in casual conversation.
