轴 (zhóu): axis, axle, spool (for thread)

轴 (zhóu) is a Chinese character meaning “axis.” Classified as HSK Level 7-9 (HSK 3.0 Standard, CLEC 2022), it is composed of 车 (semantic) and 由 (phonetic). It ranks #2359 in character frequency (SUBTLEX-CH corpus).

Etymologically derived, 轴 wheel. Its radical form 车 (cart) appears in many related characters such as 车 (chē, vehicle), 轻 (qīng, light), 辆 (liàng, measure word for vehicles).

Spoken pronunciation

Definitions

  1. axis
  2. axle
  3. spool (for thread)

Etymology & Origin

轴

pictophoneticwheel

Decomposition: ⿰车由 (layout: left-right)

Stroke Order

1
2
3
4
5
6
7
8
9

Practice writing 轴 with real-time feedback — trace each stroke in the correct order and build muscle memory in the HanziFeed app.

Words & Compounds

Common Compounds

WordPinyinMeaning
卷轴nounjuàn zhóuscroll (book or painting)
轴承nounzhóu chéng(mechanical) bearing
车轴nounchē zhóuaxle
线轴nounxiàn zhóuthread spool
轮轴nounlún zhóuwheel and axle (mechanism)
压轴戏nounyā zhòu xìfinal and most important item on a program
轴心nounzhóu xīnaxle
轴线nounzhóu xiàncentral axis (line)
连轴转phraselián zhóu zhuàn(coll.) to work non-stop
轴心国nounzhóu xīn guóAxis powers (World War II)
转轴nounzhuàn zhóuaxis of rotation
曲轴nounqū zhóucrankshaft
轴距zhóu jùwheelbase
主轴nounzhǔ zhóuaxis
传动轴chuán dòng zhóudrive shaft
67
Total compounds
21
As first character
55
As last character
24
As middle character

轴 appears in 67 compound words: 21 as the first character, 55 as the last, and 24 in a middle position. Compound statistics computed from SUBTLEX-CH and HSK 3.0 vocabulary data.

Strongest Collocations

Characters that most frequently co-occur with 轴 in natural Chinese text, ranked by NPMI (Normalized Pointwise Mutual Information) — a statistical measure of association strength.

贯guàn
0.57810 co-occurrences
半bàn
0.5399,040 co-occurrences
晓xiǎo
0.50310 co-occurrences
桨jiǎng
0.497420 co-occurrences
箱xiāng
0.4941,724 co-occurrences
巡xún
0.48610 co-occurrences
悬xuán
0.476812 co-occurrences
滚gǔn
0.475600 co-occurrences
长cháng
0.4699,486 co-occurrences
线xiàn
0.4595,612 co-occurrences

Idioms & Chengyu (2)

滚珠轴承gǔn zhū zhóu chéngHSK 7+

ball bearing

phrase
同轴电缆tóngzhóu diànlǎnHSK 7+

coaxial cable; coax

noun

Example Sentences

AI-Generated

了解轴字的来源,有助于理解中国文化。

le xiè zhóu zì de lái yuán , yǒu zhù yú lǐ xiè zhōng guó wén huā .

Understanding the origin of the character "轴" (zhǔ) helps to comprehend Chinese culture.

風傳媒Feb 2026

...北市长战局生变?前立委曝赖清德将派“这压轴奇兵”死守蒋万安

. . . běi shì cháng zhàn jú shēng biàn ? qián lì wěi pù lài qīng dé jiāng pài zhè yā zhóu qí bīng sǐ shǒu 蒋 wàn ān

... The situation of the mayor of Beijing has changed? The former legislator revealed that Lai Qingde would send "this grand finale" to defend Jiang Wan'an

NewtalkFeb 2026

高雄冬日游乐园压轴登场 “大港青年防卫队”结合日本特摄美学

gāo xióng dōng rì yóu lè yuán yā zhóu dēng chǎng dà gǎng qīng nián fáng wèi duì jié gě rì běn tè shè měi xué

Kaohsiung Winter Amusement Park finale debut "Dagang Youth Defense Force" combined with Japanese tokusatsu aesthetics

美通社Feb 2026

...克球巡回赛赛程揭晓,香港大满贯赛将成为压轴赛事

. . . kè qiú xún huí sài sài chéng jiē xiǎo , xiāng gǎng dà mǎn guàn sài jiāng chéng wéi yā zhóu sài shì

... The schedule of the Croatian Tour has been announced, and the Hong Kong Grand Slam will be the finale

三立新聞網Feb 2026

马年投资4主轴曝光 王春盛分析师这样说

mǎ nián tóu zī 4 zhǔ zhóu pù guāng wáng chūn shèng fēn xī shī zhè yàng shuō

The 4 main axes of investment in the Year of the Horse were exposed, and analyst Wang Chunsheng said so

Tatoeba

地球每二十四小时就会绕轴自转一周。

Dìqiú měi èrshí sì xiǎoshí jiù huì rào zhóu zìzhuàn yīzhōu.

The earth revolves on its axis once every 24 hours.

Character Family

Semantic Family — Characters sharing the 车 (wheel) component

Homophones — Characters pronounced zhóu

Frequently Asked Questions

What does 轴 (zhóu) mean in Chinese?
轴 (zhóu) primarily means "axis." It is classified as HSK Level 7-9, making it an expert-level character. It ranks #2359 in character frequency.
What's the difference between 轴 and 油?
轴 (zhóu) and 油 (yóu) are often confused. confusable. The key distinguishing feature: 车 vs 氵 (same 由 component).
How many strokes does 轴 have?
轴 is written with 9 strokes. The correct stroke order matters for recognition and handwriting speed — practice with the animated guide above to build proper technique.
What is the radical of 轴?
The radical associated with 轴 is 车 (cart). This radical appears in many characters related to cart.
What are the components of 轴?
轴 is composed of: 车 (semantic), 由 (phonetic). Its IDS decomposition is ⿰车由 with a left-right layout. Understanding the components helps with both memorization and recognizing related characters.
What are common words containing 轴?
Common words with 轴 include: 卷轴 (juàn zhóu, "scroll (book or painting)"); 轴承 (zhóu chéng, "(mechanical) bearing"); 车轴 (chē zhóu, "axle"); 线轴 (xiàn zhóu, "thread spool"); 轮轴 (lún zhóu, "wheel and axle (mechanism)"). There are over 67 compound words containing this character.
What characters sound the same as 轴 (zhóu)?
Several characters share the pronunciation zhóu: 宙 (eternity), 周 (week, around), 州 (prefecture), 洲 (continent), and 1 more. Context and tones help distinguish between them in speech and writing.
Is 轴 the same in simplified and traditional Chinese?
Yes, 轴 is written the same way in both simplified and traditional Chinese.

Practice writing 轴 with real-time feedback

Trace stroke sequences, hear spoken pronunciation, and build lasting retention with spaced repetition in the HanziFeed app.

Character data sourced from Unihan (Unicode Consortium), SUBTLEX-CH frequency corpus (Cai & Brysbaert, 2010), and Make Me a Hanzi (stroke data). Collocation strength measured via NPMI (Normalized Pointwise Mutual Information). Verified by the HanziFeed linguistics team.

HSK classification follows the HSK 3.0 Standard (Center for Language Education and Cooperation, CLEC, 2022 revision). Idiom data from Wiktionary (CC BY-SA 3.0).

Data last verified: March 2026.