塩素

Japanese
Kanji in this term
塩 素
えん
Grade: 4		 そ
Grade: 5
on’yomi kan’on
Alternative spelling
鹽素 (kyūjitai)
Chemical element
Cl
Previous: 硫(い)黄(おう) (iō) (S)
Next: アルゴン (arugon) (Ar)

Etymology

鹽 (en, “salt”) + 素 (so, “chemical element”). Calque of Dutch zoutstof, from the fact that it is a main ingredient of table salt. Coined by Japanese scientist Udagawa Yōan in 1834 in his book 遠西医方名物考補遺 (“鹽素”). 塩 was simplified from 鹽 in the 1946 Tōyō kanji list.

Pronunciation

Noun

塩(えん)素(そ) • (enso) 

  1. chlorine, Cl

Derived terms
Derived terms
  • 塩(えん)素(そ)ガス中(ちゅう)毒(どく) (enso gasu chūdoku, “chloride gas poisoning”)
  • 塩(えん)素(そ)水(すい) (ensosui, “chlorine water”)
  • 塩(えん)素(そ)爆(ばく)鳴(めい)気(き) (enso bakumeiki, “chlorine detonating gas”)
  • 塩(えん)素(そ)酸(さん) (ensosan, “chloric acid”)
  • 塩(えん)素(そ)酸(さん)カリウム (ensosan kariumu, “potassium chlorate”)
  • 塩(えん)素(そ)酸(さん)ナトリウム (ensosan natoriumu, “sodium chlorate”)
  • 塩(えん)素(そ)酸(さん)塩(えん) (ensosan'en, “chlorate”)

References
  • 2002, Ineko Kondō; Fumi Takano; Mary E Althaus; et. al., Shogakukan Progressive Japanese-English Dictionary, Third Edition, Tokyo: Shōgakukan, →ISBN.
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