氘

氘 U+6C18, 氘
CJK UNIFIED IDEOGRAPH-6C18
← 気
[U+6C17] 		CJK Unified Ideographs 氙 →
[U+6C19]

Translingual

Han character

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

References
  • 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
simp. and trad.
 氘

Glyph origin

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

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

Pronunciation

Definitions

氘

  1. deuterium

Synonyms

See also
  • 氕 (piē, “protium”)
  • 氚 (chuān, “tritium”)
  • 氫／氢 (qīng, “hydrogen”)
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