Wiktionary

オルト

Japanese

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Pronunciation

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Etymology 1

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From Ancient Greek ὀρθός (orthós, “straight”).[1][2]

Noun

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オルト • (oruto) 

  1. ortho-
    1. (chemistry) a benzene ring with two substituents in adjacent positions
      Antonyms: メタ, パラ
    2. (chemistry) an oxyacid with a relatively large proportion of water
      オルト燐(りん)酸(さん) ― oruto-rinsan ― orthophosphoric acid

Etymology 2

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Shortening of オルターナティブ (orutānatibu),[3] from English alternative.

Noun

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オルト • (oruto) 

  1. alt, alternative, alternate
    Synonym: オルタナ

References

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  1. ^ Matsumura, Akira (1995) 大辞泉 [Daijisen] (in Japanese), First edition, Tokyo: Shogakukan, →ISBN
  2. ^ “オルト”, in 日本国語大辞典 [Nihon Kokugo Daijiten]‎[1] (in Japanese), concise edition, Tokyo: Shogakukan, 2000
  3. ^ 2018, デジタル版イミダス (Digital Imidas) (in Japanese), Tōkyō: SHUEISHA
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