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March 24, 2026
醛quán(quan2)
醛 (quán) refers to a class of organic compounds known as aldehydes, characterized by the presence of a carbonyl group (C=O) at the end of a carbon chain. They are commonly used in chemical synthesis and can be found in various fragrances and flavors. In a laboratory context, understanding aldehydes is essential for organic chemistry.
Strokes16Radical酉Frequency#48315DifficultyVery Hard
Cultural Note
In traditional Chinese medicine, the understanding of chemical compounds, including aldehydes, is relevant in the context of herbal preparations, which sometimes utilize aromatic compounds for therapeutic benefits.
Memory Tip
Think of 醛 as a 'quaint' compound that smells sweet and is often found in perfumes. The character contains the radical 酉 (yǒu), which relates to wine and fermentation, suggesting its presence in aromatic substances. Imagine a quaint little shop full of fragrant aldehydes.
Meanings of 醛
quán(quan2)
1aldehyde
Exercise 1 of 2
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About 醛
醛Simplified
16Strokes
酉Radical
名词míngcínoun (n.)Part of Speech
#—Frequency Rank
Podcast: 醛
Podcast: 醛
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AI Study Notes for 醛
Memory Mnemonic
Think of 醛 as a 'quaint' compound that smells sweet and is often found in perfumes. The character contains the radical 酉 (yǒu), which relates to wine and fermentation, suggesting its presence in aromatic substances. Imagine a quaint little shop full of fragrant aldehydes.
Usage Notes
While 醛 is a technical term primarily used in chemistry, it’s important to use it in contexts related to organic compounds. Learners should be careful not to confuse it with related terms like 酮 (tóng, ketone) and ensure they are familiar with chemical terminology. This term is formal and typically appears in academic or scientific discussions.
HSK Study Tips
As a term not included in the HSK levels, learners should focus on understanding its application within organic chemistry. It connects with other scientific vocabulary, so mastering related terms will be beneficial for students pursuing further studies in science.
Cultural Note
In traditional Chinese medicine, the understanding of chemical compounds, including aldehydes, is relevant in the context of herbal preparations, which sometimes utilize aromatic compounds for therapeutic benefits.
Common Mistakes
Learners often confuse 醛 with similar-sounding terms like 圆 (yuán, circle) or 传 (chuán, to transmit). It’s essential to practice pronunciation and write the character correctly to avoid these mix-ups.
AI-enhanced 2026-03-24
Pronunciation of 醛
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Grammar Patterns of 醛
醛 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). The example sentences below show it in action, with practice buttons (Listen, Practice Writing, Practice Speaking) on every line.
Exercise 1 of 3
Complete the Sentence
乙____酸循环体发现于油脂种子的贮藏组织中.
Glyoxysomes are found in the storage tissues of fatty seeds.
Butyraldehyde 1,2 proparediol acetal was synthesized by using stannous chloride as catalyst.
Cultural Notes for 醛
🏮Cultural insight
In traditional Chinese medicine, the understanding of chemical compounds, including aldehydes, is relevant in the context of herbal preparations, which sometimes utilize aromatic compounds for therapeutic benefits.
Word Family of 醛
Words Containing This Character14
甲醛formaldehyde (HCHO)
醛quánaldehyde
醛固酮aldosterone
乙醛ethanal
聚甲醛polyformaldehyde (CH2O)n
酚醛phenolic aldehyde
糠醛furfural (chemistry)
醛糖aldose, monosaccharide containing aldehyde group -COH
苯甲醛benzaldehyde C6H5CHO, the simplest aromatic aldehyde
醛基aldehyde group -COH
丙烯醛acrolein CH2CHCHO
甘油醛glyceraldehyde (CH2O)3
丁醛butanal
丙醛propionaldehyde
Exercise 1 of 4
Compound Meaning
What does 甲醛 mean?
Frequently Asked Questions about 醛
醛 (quán) refers to aldehydes, which have a carbonyl group at the end of a carbon chain, while 酮 (tóng) refers to ketones, which have a carbonyl group within the carbon chain.
醛 is commonly found in fragrances, flavorings, and is used as a preservative in some products.