…A general term for organic compounds that have a hydroxyl group (OH). In other words, when the carbon to which the hydroxyl group is bonded belongs to an aliphatic chain hydrocarbon or alicyclic hydrocarbon, it is called alcohol. Compounds in which the hydroxyl group is directly bonded to an aromatic nucleus such as a benzene nucleus are collectively called phenols, and are distinguished from alcohol. Ethyl alcohol (C 2 H 5 OH) is often abbreviated to alcohol. The name alcohol comes from Arabic, where al is the definite article and kuḥl means fine powder. Since ancient Egypt, a certain type of fine black powder has been used as a pigment and was called alcohol. … *Some of the terminology explanations that mention "primary alcohol" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…水酸基OHを有する有機化合物の総称の一つ。すなわち,水酸基が結合している炭素が脂肪族鎖式炭化水素,脂環式炭化水素に属する場合にアルコールとよぶ。ベンゼン核のような芳香核に直接水酸基が結合したものはフェノールと総称され,アルコールとは区別される。エチルアルコールC2H5OHを単にアルコールと略称することが多い。アルコールという名はアラビア語に由来し,alは定冠詞,kuḥlは微粉末を意味する。古代エジプト以来,ある種の黒色微粉末が顔料として用いられ,これをアルコールとよんでいた。… ※「一級アルコール」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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