熵

熵	U+71B5, 熵 CJK UNIFIED IDEOGRAPH-71B5

← 熴
[U+71B4]

CJK Unified Ideographs

熶 →
[U+71B6]

Translingual

Han character

熵 (radical 86, 火+11, 15 strokes, cangjie input 火卜金月 (FYCB), four-corner 9082₇, composition ⿰火商)

References

KangXi: not present, would follow page 681, character 14

Hanyu Da Zidian: volume 3, page 2229, character 14

Unihan data for U+71B5

Chinese

simp. and trad.		熵

Glyph origin

Phono-semantic compound (形聲) : semantic 火 (“fire”) + phonetic 商 (OC *hljaŋ, “quotient”)

Coined by Chinese physical scientist Hu Gangfu (胡剛復) in 1923 to translate the concept of entropy in thermodynamics, where 商 (“quotient”) represents the quotient of heat and temperature, and 火 (“fire”) represents its relation to thermodynamics.

Pronunciation

Mandarin
(Pinyin): shāng (shang¹)

(Zhuyin): ㄕㄤ
Cantonese (Jyutping): soeng¹
Hakka (Sixian, PFS): sông
Min Dong (BUC): siŏng
Min Nan (POJ): siong
Wu (Wiktionary): saan (T1)

Mandarin
- (Standard Chinese)⁺
  - Pinyin: shāng
  - Zhuyin: ㄕㄤ
  - Wade–Giles: shang¹
  - Gwoyeu Romatzyh: shang
  - IPA ^(key): /ʂɑŋ⁵⁵/
Cantonese
- (Standard Cantonese, Guangzhou)⁺
  - Jyutping: soeng¹
  - Yale: sēung
  - Cantonese Pinyin: soeng¹
  - Guangdong Romanization: sêng¹
  - IPA ^(key): /sœ̽ːŋ⁵⁵/
Hakka
- (Sixian, incl. Miaoli and Meinong)
  - Pha̍k-fa-sṳ: sông
  - Hakka Romanization System: song´
  - Hagfa Pinyim: song¹
  - IPA: /soŋ²⁴/
Min Dong
- (Fuzhou)
  - Bàng-uâ-cê: siŏng
  - IPA ^(key): /suoŋ⁵⁵/
Min Nan
- (Hokkien)
  - Pe̍h-ōe-jī: siong
  - Tâi-lô: siong
  - Phofsit Daibuun: siofng
  - IPA (Xiamen): /ɕiɔŋ⁴⁴/
  - IPA (Quanzhou): /ɕiɔŋ³³/
  - IPA (Zhangzhou): /ɕiɔŋ⁴⁴/
  - IPA (Taipei): /ɕiɔŋ⁴⁴/
  - IPA (Kaohsiung): /ɕiɔŋ⁴⁴/
Wu
- (Shanghainese)
  - Wiktionary: saan (T1)
  - IPA ^(key): /sɑ̃⁵³/

Definitions

熵

entropy (in physics, information theory, etc.)

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