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密度 — pronunciations, definitions, and tags
HanziPinyinEnglishTags
密度mìdùdensityHSK 6, n, rank #12514, Hard
密度mìdùthicknessHSK 6, n, rank #12514, Hard
mìdù(mi4du4) T4
  1. 1density
  2. 2thickness
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March 24, 2026
密度mìdù(mi4du4)

密度 (mìdù) refers to the measure of how much mass is contained in a given volume, commonly used in scientific contexts such as physics and chemistry. It can also describe the thickness of materials. In everyday language, it may be used metaphorically to describe the density of ideas or information.

Frequency#12514DifficultyHard
Cultural Note

In China, discussions about 密度 are relevant in various fields such as engineering, environmental science, and urban planning, particularly when considering population density in cities. This concept is crucial in understanding urbanization and resource allocation.

Memory Tip

Think of 密 (mì) as 'secret' or 'dense' and 度 (dù) as 'degree' or 'measurement.' Imagine a secret recipe that is so packed with ingredients that it becomes dense; this helps you remember both the meaning and pronunciation.

Meanings of 密度

mìdù(mi4du4)
1density
2thickness
Exercise 1 of 2

Listen & Choose the Meaning

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About 密度

密度Simplified
Strokes
Radical
名词míngcínoun (n.)Part of Speech
#12514Frequency Rank
HSK 2.0L6HSK 3.0L6AdvancedCEFRC2

Podcast: 密度

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Podcast: 密度

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AI Study Notes for 密度

Quick Contrast

质量 (zhìliàng) - use 密度 when specifically referencing mass per unit volume, while 质量 refers to the total mass of an object regardless of volume.

Memory Mnemonic

Think of 密 (mì) as 'secret' or 'dense' and 度 (dù) as 'degree' or 'measurement.' Imagine a secret recipe that is so packed with ingredients that it becomes dense; this helps you remember both the meaning and pronunciation.

Usage Notes

密度 is commonly used in scientific discussions, so it is more formal than casual vocabulary. Be cautious with the tones; mispronouncing it could lead to confusion with other similar-sounding words. Common collocations include 物质的密度 (density of matter) and 高密度 (high density).

HSK Study Tips

As an HSK Level 6 word, 密度 connects to other scientific terms you may encounter. Focus on understanding its usage in various scientific fields, and practice combining it with adjectives to describe different types of density.

Cultural Note

In China, discussions about 密度 are relevant in various fields such as engineering, environmental science, and urban planning, particularly when considering population density in cities. This concept is crucial in understanding urbanization and resource allocation.

Common Mistakes

Learners often confuse 密度 with 速度 (sùdù, speed) due to similar pronunciation. To avoid this, remember that 密度 is about mass and volume, while 速度 relates to motion.

AI-enhanced 2026-03-24

Pronunciation of 密度

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Component Characters

name of an ancient state
HSK 611 strokes
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to estimate
HSK 59 strokes广
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Write 密度

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

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Grammar Patterns of 密度

密度 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 2 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

我们说在零____的极限条件下,气体变成理想的.

We say the gas becomes ideal in the zero - density limit.

Example Sentences for 密度 (2)

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1
我们说在零密度的极限条件下,气体变成理想的.

wǒ mén shuō zài líng mì dù de jí xiàn tiáo jiàn xià, , qì tǐ biàn chéng lǐ xiǎng.

We say the gas becomes ideal in the zero - density limit.
2
很难定论究竟每英亩多少株树为最适密度.

hěn nán dìng lùn jiū jìng měi yīng mǔ duō shǎo zhū shù wéi zuì shì mì dù.

The optimum density is difficult to specify in terms of trees per acre.

Cultural Notes for 密度

🏮Cultural insight

In China, discussions about 密度 are relevant in various fields such as engineering, environmental science, and urban planning, particularly when considering population density in cities. This concept is crucial in understanding urbanization and resource allocation.

Frequently Asked Questions about 密度

Make sure to stress the fourth tones in both characters: mì (密) and dù (度).