ar-

短语

[机] 阿, 啊

释义与例句

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  1. 1.

    Forming classification names for classes of organic compounds that contain a carbon skeleton and one or more aromatic rings.

    化学

    Potassium permanganate oxidizes ac-tetrahydronaphtylamine to o-hydrocinnam-carboxylic acid (p. 245); ar-tetrahydronaphthylamine, however, because of the oxidation of its amided benzene nucleus, is changed to adipic acid together with oxalic acid (B. 22, 767): […]

    ar-Tetrahydro-α-carbamidonaphthalene, C₁₁H₁₄ON₂, crystallized in square plates from alc., soften at 198° and melts at about 206° (quickly heated, at 212°).

  2. 1.

    Used to form the names of inverse hyperbolic functions, and the symbols for these functions.

    数学

词源

Extracted from the word aromatic.

来源：wiktionary