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March 24, 2026
衍yǎn(yan3)
The character 衍 (yǎn) primarily means to spread out or to develop. It can refer to the expansion of ideas, concepts, or physical objects, and is often used in contexts where something is overflowing or becoming superfluous. This term can also imply the amplification of information or developments in a broader context.
Strokes9Radical行Frequency#67891DifficultyVery Hard
Cultural Note
In Chinese culture, the concept of 衍 reflects the importance of growth and development in both personal and social contexts. This is often seen in discussions about family lineage (衍宗) and the expansion of knowledge through education.
Memory Tip
Imagine a river (the radical 衤 represents clothing and can evoke the idea of flowing) overflowing its banks and spreading out into the surrounding fields. The sound 'yǎn' can remind you of 'yarn' spreading out as you unravel a spool, amplifying the thread's reach.
Meanings of 衍
yǎn(yan3)
1to spread out
2to develop
Exercise 1 of 2
Listen & Choose the Meaning
Choose the correct answer:
About 衍
衍Simplified
9Strokes
行Radical
动词dòngcíverb (v.)Part of Speech
#65535Frequency Rank
Podcast: 衍
Podcast: 衍
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AI Study Notes for 衍
Quick Contrast
扩展 (kuòzhǎn) vs 衍 (yǎn): Use 扩展 for a more technical or structured expansion, while 衍 suggests a more organic or overflowing development.
Usage Notes
Be careful not to confuse 衍 with similar-sounding characters, as the tone changes the meaning significantly. It is often used in both formal and informal contexts, particularly in literary or philosophical discussions about growth and development. Common collocations include 衍生 (yǎnshēng - to derive) and 衍述 (yǎnshù - to elaborate).
HSK Study Tips
Though 衍 is not included in the HSK vocabulary lists, it connects to HSK Level 4 words like 扩展 (kuòzhǎn - to expand) and 发展 (fāzhǎn - to develop). Students should focus on understanding its nuances in terms of development and overflow in various contexts.
Common Mistakes
Learners often mix up 衍 with 研 (yán), which means 'to grind or study'. For example, saying '我想要衍究这个问题' (I want to 衍 study this question) is incorrect; it should be '我想要研究这个问题' (I want to study this question).
AI-enhanced 2026-03-24
Pronunciation of 衍
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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.
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Exercise 1 of 1
Character Formation Type
What type of character formation is 衍?
Decomposition of 衍
IDS Structure⿻行氵
衍Full Character
=
行hang2
outer
氵shui3
inner
Exercise 1 of 2
Identify the Components
Which of these is a component of 衍?
How to say to spread out in Chinese
“to spread out” in Chinese is衍yǎn
The character 衍 (yǎn) primarily means to spread out or to develop. It can refer to the expansion of ideas, concepts, or physical objects, and is often used in contexts where something is overflowing or becoming superfluous. This term can also imply the amplification of information or developments in a broader context.
When to use 衍
Be careful not to confuse 衍 with similar-sounding characters, as the tone changes the meaning significantly. It is often used in both formal and informal contexts, particularly in literary or philosophical discussions about growth and development. Common collocations include 衍生 (yǎnshēng - to derive) and 衍述 (yǎnshù - to elaborate).
衍 or something close to it
扩展 (kuòzhǎn) vs 衍 (yǎn): Use 扩展 for a more technical or structured expansion, while 衍 suggests a more organic or overflowing development.
What learners get wrong
Learners often mix up 衍 with 研 (yán), which means 'to grind or study'. For example, saying '我想要衍究这个问题' (I want to 衍 study this question) is incorrect; it should be '我想要研究这个问题' (I want to study this question).
Write 衍
衍
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Grammar Patterns of 衍
衍 functions as a verb — the action or state of the sentence. The Chinese order is Subject + Verb + Object (我吃饭). Negate it with 不 (habitual / future) or 没(有) (completed action). Add aspect markers like 了, 过, 着 directly after the verb. It carries 5 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.
