ケイ素

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Japanese

Kanji in this term
素
そ
Grade: 5
on’yomi
Alternative spellings
珪素
硅素
Chemical element
Si
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Etymology

Compound of 珪 (kei, “silicon”, from 珪土 (keido, “silica”)) +‎ 素 (so, “element”). Appears in the 1900 work 化学語彙 (Kagaku Goi, “Chemical Vocabulary”) by 櫻井錠二 (Sakurai Jōji).

The spelling shifted to using katakana for the kei portion as part of a general trend in Japanese natural sciences.

Pronunciation

Noun

ケイ素(そ) • (keiso) 

  1. silicon, Si

Synonyms

Derived terms

References

  1. ^ Shōgaku Tosho (1988) 国語大辞典（新装版） [Unabridged Dictionary of Japanese (Revised Edition)] (in Japanese), Tōkyō: Shogakukan, →ISBN
  2. ↑ 2.0 2.1 Matsumura, Akira, editor (2006), 大辞林 [Daijirin] (in Japanese), Third edition, Tokyo: Sanseidō, →ISBN
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