ヨウ素

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Japanese

Kanji in this term
素
そ
Grade: 5
on'yomi
Alternative spelling
沃素
Chemical element
I
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Etymology

Compound of 沃 (yō, used phonetically) +‎ 素 (so, “chemical element”). First used by Morisaburō Ichikawa in Rika Nikki (1872). 沃 was used by Shiba Ryōkai in Shichiyaku Shinsetsu (1860) as 沃顛 and by Heijirō Takehara in Kagaku Nyūmon (1867–1870) as 沃陳(ヨヂウム) from Dutch jodium.

Pronunciation

Noun

ヨウ素(そ) • (yōso) 

  1. iodine, I
    放(ほう)射(しゃ)性(せい)のヨウ素(そ)131(ひゃくさんじゅういち)
    hōshasei no yōso-hyakusanjūichi
    radioactive iodine-131

References

  1. ^ Fumiko Kōji, Shōzō Kobayashi, Hiroyuki Hirata, 日本各地の明治中期の理科授業筆記の発見と当時の元素教育
  2. ^ 潘吉星, 中外科學之交流, 1993, →ISBN, page 316
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