氘

中文 · Thesaurus

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氘

dāo (dao¹) Mandarin, Pinyin
ㄉㄠ Mandarin, Bopomofo
dou¹ Cantonese, Jyutping
dāo Mandarin, Standard Chinese, Pinyin
ㄉㄠ Mandarin, Standard Chinese, Bopomofo
dao Mandarin, Standard Chinese, Tongyong Pinyin
tao¹ Mandarin, Standard Chinese, Wade–Giles
dāu Mandarin, Standard Chinese, Yale
dau Mandarin, Standard Chinese, Gwoyeu Romatsyh
дао Mandarin, Standard Chinese, Cyrillic
/tɑʊ̯⁵⁵/ Mandarin, Standard Chinese, Sinological IPA
dou¹ Cantonese, Standard Cantonese, Guangzhou
dōu Cantonese, Standard Cantonese, Guangzhou
/tou̯⁵⁵/ Cantonese, Standard Cantonese, Guangzhou

Where it comes from

會意漢字：气 (“氣體”) + ⿰丿丨 (“二”) 。亦為形聲漢字，⿰丿丨（(刀 (dāo) 的變體）為聲符。對照氕和氚。

可能受新拉丁語 deuterium 影響。

釋義

氫元素的一種同位素（符號 D 或 ²₁H），擁有一個質子和一個中子。

Similar: 重氫, 重氢

Thesaurus

釋義

Similar: 重氫, 重氢

In English

deuterium isotope of hydrogen — see also heavy hydrogen
heavy hydrogen deuterium — see also deuterium

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Cite this

MLA

"氘." Wiktionary, via Micwyn, micwyn.com/word/zh/%E6%B0%98. Accessed 6 Nov. 2026.

APA

氘. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/zh/%E6%B0%98

Chicago

"氘." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/zh/%E6%B0%98.

BibTeX

@misc{micwyn_2026,
  title = {氘},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/zh/%E6%B0%98},
  urldate = {2026-11-06}
}