オルト

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Japanese[edit]

Pronunciation[edit]

Etymology 1[edit]

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

Noun[edit]

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[edit]

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

Noun[edit]

オルト • (oruto) 

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

References[edit]

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