氧 (yǎng): oxygen (chemistry)

氧 (yǎng) is a Chinese character meaning “oxygen (chemistry).” Classified as HSK Level 6 (HSK 3.0 Standard, CLEC 2022), it is composed of 气 (semantic) and 羊 (phonetic). It ranks #1844 in character frequency (SUBTLEX-CH corpus).

Etymologically derived, 氧 gas. Its radical form 气 (steam) appears in many related characters such as 气 (qì, gas), 氛 (fēn, miasma).

Spoken pronunciation

Definitions

  1. oxygen (chemistry)

Etymology & Origin

氧

pictophoneticgas

Decomposition: ⿹气羊 (layout: surround-from-upper-right)

Stroke Order

1
2
3
4
5
6
7
8
9
10

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

Words & Compounds

HSK Vocabulary with 氧

WordPinyinMeaningHSK
氧气nounyǎng qìoxygen6
二氧化碳nounèr yǎng huà tàncarbon dioxide CO26

Common Compounds

WordPinyinMeaning
氧化verbyǎng huàto oxidize
一氧化碳nounyī yǎng huà tàncarbon monoxide CO
缺氧verbquē yǎnglacking oxygen
氢氧化钠nounqīng yǎng huà nàsodium hydroxide NaOH
臭氧层nounchòu yǎng céngozone layer
氧化剂nounyǎng huà jìoxidant
臭氧nounchòu yǎngozone (O₃)
高压氧gāo yā yǎnghyperbaric oxygen
脱氧nountuō yǎngdeoxidation
氧化铝nounyǎng huà lǚaluminum oxide
过氧化氢nounguò yǎng huà qīnghydrogen peroxide H2O2
二氧化硫nounèr yǎng huà liúsulfur dioxide SO2
二氧化硅nounèr yǎng huà guīsilicon dioxide (SiO2)
氧化物nounyǎng huà wùoxide
双氧水nounshuāng yǎng shuǐhydrogen peroxide (H2O2) solution
100
Total compounds
21
As first character
12
As last character
67
As middle character

氧 appears in 100 compound words: 21 as the first character, 12 as the last, and 67 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 氧 in natural Chinese text, ranked by NPMI (Normalized Pointwise Mutual Information) — a statistical measure of association strength.

烷wán
0.74810 co-occurrences
碳tàn
0.63913,272 co-occurrences
化huà
0.56760,318 co-occurrences
臭chòu
0.5432,480 co-occurrences
铝lǚ
0.538655 co-occurrences
厌yàn
0.506868 co-occurrences
剂jì
0.5062,430 co-occurrences
气qì
0.4916,248 co-occurrences
二èr
0.46019,018 co-occurrences
浓nóng
0.456820 co-occurrences

Idioms & Chengyu (10)

二氧化硫èryǎnghuàliú

sulfur dioxide

noun
二氧化碳èryǎnghuàtànHSK 6+

carbon dioxide

noun
抗氧化剂kàngyǎnghuàjìHSK 7+

antioxidant

noun
氢氧化物qīngyǎnghuàwù

hydroxide (compound)

noun
脱氧核糖tuōyǎng hétángHSK 6+

deoxyribose; semen

noun
氧化亚铁yǎng huà yà tiěHSK 6+

iron(II) oxide; ferrous oxide

phrase
一氧化碳yīyǎnghuàtànHSK 6+

carbon monoxide

noun
有氧运动yǒuyǎng yùndòngHSK 6+

aerobic exercise; cardio; aerobics

noun
二氧化锰èryǎnghuàměngHSK 6+

manganese dioxide

noun
二氧化钛èryǎnghuàtàiHSK 6+

titanium dioxide

noun

Example Sentences

AI-Generated

氧字在日常生活中使用频率较低。

yǎng zì zài rì cháng shēng huó zhōng shǐ yòng pín lǜ jiào dī .

The character for oxygen is used less frequently in daily life.

Investing 香港Mar 2026

...2.9亿元建设20万吨/年全酸性流化牀过氧化氢项目

. . . 2 . 9 yì yuán jiàn shè 2 0 wàn dūn nián quán suān xìng liú huà 牀 guò yǎng huà qīng xiàng mù

...a 290 million yuan project to build a 200,000-ton-per-year fully acidic fluidized-bed hydrogen peroxide facility

SmzdmMar 2026

...除甲醛吗?选择安全的空气净化器,别被“臭氧”坑了

. . . chú jiǎ 醛 ma ? xuǎn zé ān quán de kōng qì jìng huà qì , bié bèi chòu yǎng kēng le

...Does it remove formaldehyde? Choose a safe air purifier—don’t fall for the “ozone” scam

It之家Mar 2026

SpaceX 等液氧甲烷火箭爆炸到底有多可怕?美国宇航局正着...

S p a c e X děng yè yǎng jiǎ 烷 huǒ jiàn bào zhà dào de yǒu duō kě pà ? měi guó yǔ háng jú zhèng zhe . . .

Just how terrifying are explosions involving liquid oxygen and methane rockets like those used by SpaceX? NASA is currently...

99 健康网Mar 2026

两个男生做下肢运动小腹变大要加有氧吗?控制体脂率是关键吗

liǎng gè nán shēng zuò xià zhī yùn dòng xiǎo fù biàn dà yāo jiā yǒu yǎng ma ? kòng zhì tǐ zhī lǜ shì guān jiàn ma

Two guys are doing lower-body exercises and their stomachs are getting bigger—should they add cardio? Is controlling body fat percentage the key?

UdnnewsindexFeb 2026

研究:有氧运动可治疗轻度焦虑症

yán jiū : yǒu yǎng yùn dòng kě zhì liáo qīng dù jiāo lǜ zhèng

Study: Aerobic exercise treats mild anxiety

Tatoeba

铁和氧都是化学元素。

Tiě hé yǎng dōu shì huàxuéyuánsù.

Iron and oxygen are elements.

Tatoeba

树木排出氧气,吸收二氧化碳。

Shùmù páichū yǎngqì, xīshōu èryǎnghuàtàn.

Trees give off oxygen and absorb carbon dioxide.

Tatoeba

平流层的臭氧会吸收紫外线。

Píngliúcéng de chòuyǎng huì xīshōu zǐwàixiàn.

The ozone in the stratosphere absorbs ultraviolet radiation.

Tatoeba

我们缺氧时就会打哈欠。

Wǒmen quēyǎng shí jiù huì dǎ hāqian.

We yawn when we are short of oxygen.

Character Family

Semantic Family — Characters sharing the 气 (gas) component

气 Radical Family — Characters sharing the steam radical

Related Characters

Homophones — Characters pronounced yǎng

Frequently Asked Questions

What does 氧 (yǎng) mean in Chinese?
氧 (yǎng) primarily means "oxygen (chemistry)." It is classified as HSK Level 6, making it an advanced character. It ranks #1844 in character frequency.
What's the difference between 氧 and 鲜?
氧 (yǎng) and 鲜 (xiān) are often confused. confusable. The key distinguishing feature: 气 vs 鱼 (same 羊 component).
How many strokes does 氧 have?
氧 is written with 10 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 氧?
The radical associated with 氧 is 气 (steam). This radical appears in many characters related to steam.
What are the components of 氧?
氧 is composed of: 气 (semantic), 羊 (phonetic). Its IDS decomposition is ⿹气羊 with a surround-from-upper-right layout. Understanding the components helps with both memorization and recognizing related characters.
What are common words containing 氧?
Common words with 氧 include: 氧气 (yǎng qì, "oxygen"); 氧化 (yǎng huà, "to oxidize"); 二氧化碳 (èr yǎng huà tàn, "carbon dioxide CO2"); 一氧化碳 (yī yǎng huà tàn, "carbon monoxide CO"); 缺氧 (quē yǎng, "lacking oxygen"). There are over 100 compound words containing this character.
What characters sound the same as 氧 (yǎng)?
Several characters share the pronunciation yǎng: 样 (manner), 养 (to raise (animals)), 洋 (ocean), 痒 (itch), and 2 more. Context and tones help distinguish between them in speech and writing.
Is 氧 the same in simplified and traditional Chinese?
Yes, 氧 is written the same way in both simplified and traditional Chinese.

Practice writing 氧 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.