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氯 — pronunciations, definitions, and tags
HanziPinyinEnglishTags
chlorinen, 12 strokes, radical 气, rank #8712, Hard
chlorine (chemistry)unknown, 12 strokes, radical 气, rank #8712, Hard
chlorinen, 12 strokes, radical 气, rank #8712, Hard
chlorine (chemistry)unknown, 12 strokes, radical 气, rank #8712, Hard
(lü4)
primary
T4
  1. 1chlorine
  2. 2chlorine (chemistry)
Listen to the audio pronunciation 3 times to gain XP
March 24, 2026
(lü4)

氯 (lǜ) refers to the chemical element chlorine, which is a yellow-green gas at room temperature and is commonly used in disinfectants and bleach. In chemistry, it is important for processes such as water purification and the production of various chemicals. The term is often used in scientific contexts, particularly in environmental and health discussions.

Strokes12RadicalFrequency#8712DifficultyHard
Cultural Note

Chlorine plays a significant role in public health in China, particularly in water purification systems to ensure safe drinking water. Its use is often emphasized in discussions about sanitation and health policies.

Memory Tip

Imagine a green, swirling gas (氯) that has a sharp smell, like a 'lurch' of chlorine in a swimming pool. The character 气 (air) suggests its gaseous state, while the radical for 'water' hints at its common use in water treatment.

Meanings of 氯

(lü4)
primary
1chlorine
2chlorine (chemistry)
Exercise 1 of 2

Listen & Choose the Meaning

Choose the correct answer:

About 氯

Simplified
12Strokes
Radical
名词míngcínoun (n.)Part of Speech
#—Frequency Rank

Podcast: 氯

JasonAmy

Podcast:

Listen to Jason & Amy break down this word for you

AI Study Notes for 氯

Memory Mnemonic

Imagine a green, swirling gas (氯) that has a sharp smell, like a 'lurch' of chlorine in a swimming pool. The character 气 (air) suggests its gaseous state, while the radical for 'water' hints at its common use in water treatment.

Usage Notes

氯 is primarily used in scientific or technical discussions, so it may not be commonly used in everyday conversation. Be careful with the pronunciation; the third tone can be tricky, and mispronouncing it may lead to misunderstandings with similar-sounding words.

HSK Study Tips

While 氯 is not part of the standard HSK vocabulary, it may appear in advanced study materials related to chemistry. Focus on understanding its use in scientific contexts, and familiarize yourself with related terms like 化学 (huàxué, chemistry) and 消毒 (xiāodú, disinfection).

Cultural Note

Chlorine plays a significant role in public health in China, particularly in water purification systems to ensure safe drinking water. Its use is often emphasized in discussions about sanitation and health policies.

Common Mistakes

Learners often confuse 氯 with similar-sounding words like 绿 (lǜ, green) due to the tonal similarity. Remember that 氯 refers specifically to chlorine, while 绿 relates to the color green.

AI-enhanced 2026-03-24

Pronunciation of 氯

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Etymology of 氯

Formation Typepictophonetic
六书 ClassificationPhono-semantic (形声字)~80-90% of characters
Explanation

Phonosemantic compound. 气 represents the meaning and 录 represents the sound.

Memory Hint

gas

Semantic (meaning)
+
Phonetic (sound)
Learn more about Phono-semantic (形声字) characters
Exercise 1 of 1

Character Formation Type

What type of character formation is 氯?

Decomposition of 氯

IDS Structure⿹气录
Full Character
=
qi4
enclosing
Lu4
inner
Exercise 1 of 2

Identify the Components

Which of these is a component of 氯?

Write 氯

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

Write correctly 3 times to earn XP

Grammar Patterns of 氯

氯 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 4

Complete the Sentence

自1908年以来____就被添加进饮用水当中。

Since 1908, chlorine has been added to drinking water.

Example Sentences for 氯 (6)

Listen to all sentences once to receive XP
1
自1908年以来氯就被添加进饮用水当中。

zì1908 1908 nián yǐ lái lǜ jiù bèi tiān jiā jìn yǐn yòng shuǐ dāng。

Since 1908, chlorine has been added to drinking water.
2
食盐由40%的钠和60%的氯化物构成。

shí yán yóu40% 40% de nà60% hé 60% de lǜ huà wù。

Common salt is made up of 40% sodium and 60% chloride.
3
生产亚氯酸钠, 二氯笨甲等化工原料.

shēng chǎn yà lǜ suān nà, , èr lǜ bèn jiǎ děng huà gōng yuán.

Production Asia Lu : suanna, R 123 stupid emphasis on humanities chemical raw materials.
4
只有高氯酸盐表现有显著的感度和可能具有起爆性能.

zhī yǒu gāo lǜ suān yán biǎo xiàn yǒu xiǎn zhù de gǎn dù hé kě néng jù yǒu qǐ bào xìng néng.

Only the perchlorate shows marked sensitiveness and possibly initiating properties.
5
其中原料药苯丙氨酯和氯磺丙脲为国内独家产品.

qí zhōng yuán liào yào běn bǐng ān zhǐ hé lǜ huáng bǐng niào wéi guó nèi dú jiā chǎn pǐn.

Among of them, Phenprobamate and Chlorpropamide are exclusive domestic products.
6
以非质子酸氯化亚锡为催化剂,催化合成了丁醛-1,2-丙二醇缩醛.

yǐ fēi zhì zǐ suān lǜ huà yà xī wéi cuī huà jì, , cuī huà hé chéng le dīng-1,2- quán -1,2- bǐng èr chún.

Butyraldehyde 1,2 proparediol acetal was synthesized by using stannous chloride as catalyst.

Cultural Notes for 氯

🏮Cultural insight

Chlorine plays a significant role in public health in China, particularly in water purification systems to ensure safe drinking water. Its use is often emphasized in discussions about sanitation and health policies.

Word Family of 氯

Words Containing This Character20
chlorine (chemistry)
氯气chlorine氯氣
氯化钾potassium chloride氯化鉀
氯化钠common salt氯化鈉
氯化物chloride
聚氯乙烯polyvinyl chloride (PVC)
氯霉素chloramphenicol
氯仿chloroform CHCl3
氯乙烯chloroethylene
氯酸chlorate
氯苯chlorobenzene C6H5Cl
次氯酸hypochlorous acid HOCl (bleach)
四氯化碳carbon tetrachloride
氯化铵ammonium chloride氯化銨
氯化氢hydrogen chloride HCl氯化氫
氯喹chloroquine (antimalarial drug)
氯丁橡胶neoprene氯丁橡膠
双氯灭痛diclofenac painkiller雙氯滅痛
多氯联苯PCB多氯聯苯
氯化锌zinc chloride氯化鋅
Exercise 1 of 4

Compound Meaning

What does 氯 mean?

Frequently Asked Questions about 氯

It is pronounced as lǜ, with a falling tone.