聚四氟乙烯

Mandarin · pinyin jù sì fú yǐ xī

Meanings

  1. polytetrafluoroethylene (PTFE) (often referred to by the trademark Teflon)
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Characters in this entry

聚
jù · assemble, meet together, collect
四
sì · four
氟
fú · fluorine (element 9, F)
乙
yǐ · second; 2nd heavenly stem
烯
xī · alkene
Written characters and their own readings; the entry’s pronunciation is shown above.

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Mandarin tones

4–4–2–3–1 · ju4 si4 fu2 yi3 xi1

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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

zeoi6 sei3 fat1 jyut3 hei1

Cantonese word readings for 聚四氟乙烯. 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

  1. (organic chemistry) polytetrafluoroethylene; PTFE; Teflon

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

Wiktionary contributors · CC BY-SA 4.0 · source & license · Data pack

聚四氟乙烯 · ju4 si4 fu2 yi3 xi1
CC-CEDICT contributors and MDBG · edition 2026-10-13 · source line 89,414
Original dictionary · CC BY-SA 4.0 · Source & transformation details
Exact source record聚四氟乙烯 聚四氟乙烯 [ju4 si4 fu2 yi3 xi1] /polytetrafluoroethylene (PTFE) (often referred to by the trademark Teflon)/