氘

氘	U+6C18, 氘 CJK UNIFIED IDEOGRAPH-6C18

Translingual edit

Han character edit

氘 (Kangxi radical 84, 气+2, 6 strokes, cangjie input 人弓中中 (ONLL), four-corner 8021₇, composition ⿹气⿰丿丨)

References edit

Kangxi Dictionary: not present, would follow page 599, character 4
Dai Kanwa Jiten: character 17046
Hanyu Da Zidian (first edition): volume 3, page 2010, character 3
Unihan data for U+6C18

Chinese edit

simp. and trad.		氘

Glyph origin edit

Ideogrammic compound (會意／会意) : 气 (“gas”) + ⿰丿丨 (“two”). Also a phono-semantic compound (形聲／形声) , where ⿰丿丨, variant of 刀 (dāo), acts as the phonetic component. Compare 氕 (“protium”) and 氚 (“tritium”).

Etymology edit

From 刀 (dāo) from the glyph, possibly influenced by New Latin deuterium.

Pronunciation edit

Mandarin
(Pinyin): dāo (dao¹)

(Zhuyin): ㄉㄠ
Cantonese (Jyutping): dou¹

Mandarin
- (Standard Chinese)⁺
  - Hanyu Pinyin: dāo
  - Zhuyin: ㄉㄠ
  - Tongyong Pinyin: dao
  - Wade–Giles: tao¹
  - Yale: dāu
  - Gwoyeu Romatzyh: dau
  - Palladius: дао (dao)
  - Sinological IPA ^(key): /tɑʊ̯⁵⁵/
Cantonese
- (Standard Cantonese, Guangzhou–Hong Kong)⁺
  - Jyutping: dou¹
  - Yale: dōu
  - Cantonese Pinyin: dou¹
  - Guangdong Romanization: dou¹
  - Sinological IPA ^(key): /tou̯⁵⁵/

Definitions edit

氘

deuterium

Synonyms edit

重氫／重氢 (zhòngqīng)

氘

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