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阈 — pronunciations, definitions, and tags
HanziPinyinEnglishTags
阈yùthreshold; separated, confinedn, 11 strokes, radical 门
yù(yu4) T4
  1. 1threshold; separated, confined
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March 24, 2026

阈(閾)yù(yu4)

The character 阈 (yù) refers to a threshold or a boundary that separates two different states or areas. It can be used in both physical contexts, like a doorway, and metaphorical contexts, such as a threshold of understanding or tolerance.

Strokes11Radical门
Cultural Note

In Chinese architecture, thresholds (阈) are significant in traditional homes, symbolizing the transition between the outside world and the inner sanctum, representing protection and privacy.

Memory Tip

Imagine standing at a 'yù' (阈) where two worlds meet, like crossing a threshold into a magical realm. The radical 阝 (a hill or mound) suggests a boundary, while the character itself resembles a gate; together, envision stepping through a gate into a new experience.

Meanings of 阈

yù(yu4)
1threshold; separated, confined
Exercise 1 of 2

Listen & Choose the Meaning

Choose the correct answer:

About 阈

阈Simplified
閾Traditional
11Strokes
门Radical
名词míngcínoun (n.)Part of Speech
#—Frequency Rank

Podcast: 阈

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Podcast: 阈

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AI Study Notes for 阈

Usage Notes

Be careful not to confuse 阈 (yù) with similar-sounding characters that have different meanings. It is more commonly used in written Chinese and can appear in formal contexts, so avoid using it in casual conversation. Common collocations include '阈值' (threshold value) in scientific contexts.

HSK Study Tips

Although 阈 is not included in the HSK vocabulary lists, understanding it can enrich students' knowledge of technical and formal language. Focus on recognizing its use in academic or professional settings alongside other related terms.

Common Mistakes

Learners often confuse 阈 with the character 约 (yuē), which means 'to arrange' or 'to make an appointment.' For example, saying '他的理解约很低' instead of '他的理解阈很低' is incorrect; the correct form emphasizes the threshold concept.

AI-enhanced 2026-03-24

Pronunciation of 阈

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Etymology of 阈

Formation TypeIdeographic 指事
六书 ClassificationIdeograph (指事字)~2% of characters
Memory Hint

Separated 或 by a gate 门

Learn more about Ideograph (指事字) characters

Jason Etymology Detective

Case file: 阈

  1. 1The giveawaySeparated 或 by a gate 门
  2. 2On the record asideographic — someone drew an idea rather than an object.

Every clue here comes from the character's recorded structure — nothing is guessed.

Want the full history of 阈? Jason searches the paleographic record, weighs the competing accounts and judges the popular story.

Charged once for this character — everyone reads it afterwards.
Exercise 1 of 1

Character Formation Type

What type of character formation is 阈?

Decomposition of 阈

IDS Structure⿵门或
阈Full Character
=
门Men2
enclosing
或huo4
inner
Exercise 1 of 2

Identify the Components

Which of these is a component of 阈?

How to say threshold; separated, confined in Chinese

“threshold; separated, confined” in Chinese is阈yù

The character 阈 (yù) refers to a threshold or a boundary that separates two different states or areas. It can be used in both physical contexts, like a doorway, and metaphorical contexts, such as a threshold of understanding or tolerance.

When to use 阈

Be careful not to confuse 阈 (yù) with similar-sounding characters that have different meanings. It is more commonly used in written Chinese and can appear in formal contexts, so avoid using it in casual conversation. Common collocations include '阈值' (threshold value) in scientific contexts.

What learners get wrong

Learners often confuse 阈 with the character 约 (yuē), which means 'to arrange' or 'to make an appointment.' For example, saying '他的理解约很低' instead of '他的理解阈很低' is incorrect; the correct form emphasizes the threshold concept.

Write 阈

阈

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

Write correctly 3 times to earn XP

Word Family of 阈

Words Containing This Character3
阈值threshold閾值
阈yùthreshold閾
听阈audibility threshold聽閾
Exercise 1 of 3

Compound Meaning

What does 阈值 mean?

Frequently Asked Questions about 阈

You can say, '这个问题超出了我的理解阈' (This question exceeds my threshold of understanding).

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