酯

酯

酯 U+916F, 酯 CJK UNIFIED IDEOGRAPH-916F ← 酮 [U+916E] CJK Unified Ideographs 酰 → [U+9170]

Translingual

Han character

酯 (Kangxi radical 164, 酉+6, 13 strokes, cangjie input 一田心日 (MWPA), four-corner 1168₁, composition ⿰酉旨)

References

• KangXi: not present, would follow page 1283, character 5
• Dai Kanwa Jiten: character 39861
• Hanyu Da Zidian (first edition): volume 6, page 3581, character 10
• Unihan data for U+916F

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Chinese

trad.		酯
simp. #		酯

Glyph origin

Phono-semantic compound (形聲) : semantic 酉 (“oxygenated functional group”) + phonetic 旨 (OC *kjiʔ). Modelled after 脂 (zhī, “lipid”) with a radical input from other oxygenated organic compounds such as 醇 (chún, “alcohol”) and 酸 (suān, “acid”), referring to ester linkages in lipids like glycerides.

Etymology

From 脂 (zhī, “lipid”), referring to ester linkages in lipids like glycerides.

Pronunciation

• Mandarin

  (Pinyin): zhǐ (zhi³)

  (Zhuyin): ㄓˇ

• Cantonese (Jyutping): zi²
• Min Nan (POJ): chí

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• Mandarin
  • (Standard Chinese)⁺
    • Hanyu Pinyin: zhǐ
    • Zhuyin: ㄓˇ
    • Tongyong Pinyin: jhǐh
    • Wade–Giles: chih³
    • Yale: jř
    • Gwoyeu Romatzyh: jyy
    • Palladius: чжи (čži)
    • Sinological IPA ^(key): /ʈ͡ʂʐ̩²¹⁴/
• Cantonese
  • (Standard Cantonese, Guangzhou)⁺
    • Jyutping: zi²
    • Yale: jí
    • Cantonese Pinyin: dzi²
    • Guangdong Romanization: ji²
    • Sinological IPA ^(key): /t͡siː³⁵/
• Min Nan
  • (Hokkien)
    • Pe̍h-ōe-jī: chí
    • Tâi-lô: tsí
    • Phofsit Daibuun: cie
    • IPA (Xiamen): /t͡ɕi⁵³/
    • IPA (Quanzhou): /t͡ɕi⁵⁵⁴/
    • IPA (Zhangzhou): /t͡ɕi⁵³/
    • IPA (Taipei): /t͡ɕi⁵³/
    • IPA (Kaohsiung): /t͡ɕi⁴¹/

Definitions

酯

1. (organic chemistry) ester
   • Section 12(1), Air Pollution Control (Motor Vehicle Fuel) Regulation (Cap. 311L)

     任何汽車生化柴油供應商明知而供應或分發任何酯含量高於或低於汽車生化柴油標籤上所顯示的酯含量百分率超過1%的汽車生化柴油，即屬犯罪，一經定罪，可處第5級罰款。 [MSC, trad.]
     任何汽车生化柴油供应商明知而供应或分发任何酯含量高于或低于汽车生化柴油标签上所显示的酯含量百分率超过1%的汽车生化柴油，即属犯罪，一经定罪，可处第5级罚款。 [MSC, simp.]

     Rènhé qìchē shēnghuàcháiyóu gōngyìngshāng míngzhī ér gōngyìng huò fēnfā rènhé zhǐ hánliàng gāoyú huò dīyú qìchē shēnghuàcháiyóu biāoqiān shàng suǒ xiǎnshì de zhǐ hánliàng bǎifēnlǜ chāoguò 1 % de qìchē shēnghuàcháiyóu, jí shǔ fànzuì, yījīng dìngzuì, kě chù dì 5 jí fákuǎn. [Pinyin]

     Any motor vehicle biodiesel supplier who knowingly supplies or distributes any motor vehicle biodiesel containing an ester content that is more than 1% higher or lower than the percentage of ester content as indicated on the motor vehicle biodiesel label commits an offence and is liable to a fine at level 5.

Synonyms

• 𨤎 (yán) (obsolete)

Compounds

乙酸乙酯 (yǐsuānyǐzhǐ) 聚酯 (jùzhǐ)

酯酶 (zhǐméi) 聚酯絲／聚酯丝

聚酯纖維／聚酯纤维

References

• “酯”, in 漢語多功能字庫 (Multi-function Chinese Character Database)‎, 香港中文大學 (the Chinese University of Hong Kong), 2014–

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Vietnamese

Han character

酯: Hán Nôm readings: chỉ

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