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環氧乙烷

简环氧乙烷 · 繁環氧乙烷

Mandarin · pinyin huán yǎng yǐ wán

ethylene oxide

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Characters in this entry

環: Look up this written character
氧: yǎng · oxygen (element 8, O)
乙: yǐ · second; 2nd heavenly stem
烷: wán · alkane
环: huán · jade ring or bracelet; ring

Written characters and their own readings; the entry’s pronunciation is shown above.

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Mandarin tones

2–3–3–2 · huan2 yang3 yi3 wan2

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Read this spelling in Classical texts

Follow a written form into the eight pinned witnesses: Analects, Mencius, Laozi, Zhuangzi, Xunzi, Han Feizi, Sunzi and the Mao Shijing. A match is a place to investigate; it does not prove that a modern dictionary sense fits the passage.

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Compare dictionary sources Wiktionary · 1 sense · 1 Cantonese reading

Rime Cantonese 粵拼

waan4 joeng5 jyut3 jyun4

Cantonese word readings for 環氧乙烷. This lexicon supplies readings, not definitions.

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Wiktionary English definitions · Chinese section

Independent source senses for this spelling, with usage labels retained. Not matched to the pronunciation above.

noun

(organic chemistry) ethylene oxide

Source page · dump 2026-09-02 · Contributors & history

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