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

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

(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

woollens; wool fabric