羧

羧 U+7FA7, 羧 CJK UNIFIED IDEOGRAPH-7FA7 ← 羦 [U+7FA6] CJK Unified Ideographs 羨 → [U+7FA8]

Translingual

Han character

羧 (Kangxi radical 123, 羊+7, 13 strokes, cangjie input 廿手戈金水 (TQICE), four-corner 8354₇, composition ⿰羊夋)

References

• Kangxi Dictionary: page 952, character 29
• Dai Kanwa Jiten: character 28501
• Dae Jaweon: page 1396, character 23
• Hanyu Da Zidian (first edition): volume 5, page 3135, character 1
• Unihan data for U+7FA7

Chinese

trad.		羧
simp. #		羧

Glyph origin

For the organic compound, Ideogrammic compound (會意 / 会意): 羊 (“oxgyen, from 氧”) + 夋 (“acid, from 酸”).

Etymology 1

Blend of 氧 (yǎng, “oxygen”) +‎ 酸 (suān, “acid”) and borrowed from English carboxyl.

Pronunciation

• Mandarin

  (Pinyin): suō, zuī (suo¹, zui¹)

  (Zhuyin): ㄙㄨㄛ, ㄗㄨㄟ

• Cantonese (Jyutping): so¹

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• Mandarin
  • (Standard Chinese)⁺
    • Hanyu Pinyin: suō
    • Zhuyin: ㄙㄨㄛ
    • Tongyong Pinyin: suo
    • Wade–Giles: so¹
    • Yale: swō
    • Gwoyeu Romatzyh: suo
    • Palladius: со (so)
    • Sinological IPA ^(key): /su̯ɔ⁵⁵/
      
  • (Standard Chinese, variant in Taiwan)⁺
    • Hanyu Pinyin: zuī
    • Zhuyin: ㄗㄨㄟ
    • Tongyong Pinyin: zuei
    • Wade–Giles: tsui¹
    • Yale: dzwēi
    • Gwoyeu Romatzyh: tzuei
    • Palladius: цзуй (czuj)
    • Sinological IPA ^(key): /t͡su̯eɪ̯⁵⁵/
• Cantonese
  • (Standard Cantonese, Guangzhou–Hong Kong)
    • Jyutping: so¹
    • Yale: sō
    • Cantonese Pinyin: so¹
    • Guangdong Romanization: so¹
    • Sinological IPA ^(key): /sɔː⁵⁵/

Definitions

羧

1. (organic chemistry) carboxyl

Compounds

• 羧基 (suōjī)
• 羧酸

Etymology 2

Pronunciation

• Mandarin

  (Pinyin): zuī (zui¹)

  (Zhuyin): ㄗㄨㄟ

---

• Mandarin
  • (Standard Chinese)⁺
    • Hanyu Pinyin: zuī
    • Zhuyin: ㄗㄨㄟ
    • Tongyong Pinyin: zuei
    • Wade–Giles: tsui¹
    • Yale: dzwēi
    • Gwoyeu Romatzyh: tzuei
    • Palladius: цзуй (czuj)
    • Sinological IPA ^(key): /t͡su̯eɪ̯⁵⁵/

Definitions

羧

1. woollens; wool fabric