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氟 — pronunciations, definitions, and tags
HanziPinyinEnglishTags
fluorinenz, 9 strokes, radical 气, rank #16302, Hard
fluorine (chemistry)unknown, 9 strokes, radical 气, rank #16302, Hard
(fu2) T2
  1. 1fluorine
  2. 2fluorine (chemistry)
Listen to the audio pronunciation 3 times to gain XP
March 24, 2026
(fu2)

氟 (fú) refers to the chemical element fluorine, which is a halogen and is known for its high reactivity. It is commonly used in various chemical compounds, including those in toothpaste and refrigerants. In scientific contexts, it is important for understanding chemical reactions and properties.

Strokes9RadicalFrequency#16302DifficultyHard
Cultural Note

In Chinese culture, the use of fluorine in dental products like toothpaste reflects the emphasis on oral hygiene and health. Fluorine compounds are commonly discussed in the context of health, safety, and environmental issues.

Memory Tip

Think of 氟 (fú) as a 'fluorine flu' that spreads quickly in chemical reactions. The radical 气 (qì) suggests gas, hinting at fluorine's gaseous state at room temperature, while the phonetic component 'fú' sounds like 'flu', making it easier to remember.

Meanings of 氟

(fu2)
1fluorine
2fluorine (chemistry)
Exercise 1 of 2

Listen & Choose the Meaning

Choose the correct answer:

About 氟

Simplified
9Strokes
Radical
其它专名míngcíproper noun (pr.n.)Part of Speech
#—Frequency Rank

Podcast: 氟

JasonAmy

Podcast:

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AI Study Notes for 氟

Memory Mnemonic

Think of 氟 (fú) as a 'fluorine flu' that spreads quickly in chemical reactions. The radical 气 (qì) suggests gas, hinting at fluorine's gaseous state at room temperature, while the phonetic component 'fú' sounds like 'flu', making it easier to remember.

Usage Notes

氟 is primarily used in scientific and technical contexts, so it may not be commonly encountered in everyday conversation. Be mindful of the tone; using the wrong tone may lead to confusion with other words. It often collocates with terms like '氟化物' (fúhuàwù) meaning 'fluoride'.

HSK Study Tips

Although 氟 is not included in the HSK vocabulary lists, it relates to higher-level science terms that learners may encounter in specialized studies. Students should focus on the context of chemistry and familiarize themselves with related terms for a comprehensive understanding.

Cultural Note

In Chinese culture, the use of fluorine in dental products like toothpaste reflects the emphasis on oral hygiene and health. Fluorine compounds are commonly discussed in the context of health, safety, and environmental issues.

Common Mistakes

Learners often confuse 氟 with similar-sounding characters like 符 (fú), which means 'symbol'. To avoid this, remember that 氟 is associated with chemistry, specifically fluorine. A common error is using the wrong tone, such as saying 'fù' instead of 'fú'.

AI-enhanced 2026-03-24

Pronunciation of 氟

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Etymology of 氟

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

Phonosemantic compound. 气 represents the meaning and 弗 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 氟?

Decomposition of 氟

IDS Structure⿹气弗
Full Character
=
qi4
enclosing
fu2
inner
Exercise 1 of 2

Identify the Components

Which of these is a component of 氟?

Write 氟

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

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Grammar Patterns of 氟

氟 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

密封材料: O形或U形密封圈; 丁晴橡胶 、 ____橡胶.

Sealing Material : O - shape or U - shape seal ring; butadiene acrylonitrile rubber, fluorine rubber.

Example Sentences for 氟 (6)

Listen to all sentences once to receive XP
1
密封材料: O形或U形密封圈; 丁晴橡胶 、 氟橡胶.

mì fēng cái liào:O : O xíngU huò U xíng mì; fēng quān ; dīng、 qíng xiàng jiāo.

Sealing Material : O - shape or U - shape seal ring; butadiene acrylonitrile rubber, fluorine rubber.
2
在此基础上,提出了连铸无氟保护渣今后研究的方向和重点.

zài cǐ jī chǔ shàng, , tí chū le lián zhù wú fú bǎo hù zhā jīn hòu yán jiū de fāng xiàng hé zhòng.

The further study and development trends of this are also outlined.
3
红外烘道采用特氟龙网带自动纠偏功能,精度高.

hóng wài hōng dào cǎi yòng tè fú lóng wǎng dài zì dòng jiū piān gōng néng, , jīng dù.

The use of infrared oven makes network with automatic rectifying that.
4
三氟丙炔和全氟丁烯 -2 在这个区域也出现双重谱带.

sān fú bǐng quē hé quán fú dīng xī-2 -2 zài zhè gè qū yù yě chū xiàn shuāng zhòng pǔ.

Duplication of bands in this region is also shown by trifluoropropyne and perfluoro 2 - butene.
5
三氟丙炔和全氟丁炔 -2 在这个区域也出现双重谱带.

sān fú bǐng quē hé quán fú dīng quē-2 -2 zài zhè gè qū yù yě chū xiàn shuāng zhòng pǔ.

Duplication of bands in this region is also shown by trifluoropropyne and perfluoro 2 - butyne.
6
三氟丙炔和全氟丁烯 -2 在这个区域也出现双重谱带.

sān fú bǐng quē hé quán fú dīng xī-2 -2 zài zhè gè qū yù yě chū xiàn shuāng zhòng pǔ.

Duplication of bands in this region also shown by trifluoropropyne and perfluoro 2 - butene.

Cultural Notes for 氟

🏮Cultural insight

In Chinese culture, the use of fluorine in dental products like toothpaste reflects the emphasis on oral hygiene and health. Fluorine compounds are commonly discussed in the context of health, safety, and environmental issues.

Word Family of 氟

Words Containing This Character7
fluorine (chemistry)
氢氟酸hydrofluoric acid HF氫氟酸
氟利昂freon (chemistry)
氟化fluoridation
氟化物fluoride
氟化氢hydrofluoric acid氟化氫
氟石fluorite CaF2
Exercise 1 of 4

Compound Meaning

What does 氟 mean?

Frequently Asked Questions about 氟

氟 is significant due to its high reactivity and is used in various applications, including pharmaceuticals and fluorinated compounds.