oil

Japanese: oil
oil

…their chemical compositions are completely different; the former is composed mainly of glycerin esters of long-chain fatty acids, i.e. triglycerides, while the latter is composed mainly of hydrocarbons. The term fats and oils is also used to refer to animal and vegetable oils, but in this case, those that are liquid at room temperature are called oils, and those that are solid are called fats. Fat and oils are important components of biological tissues and as energy sources, along with proteins and carbohydrates. …

*Some terminology explanations that mention "oil" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…前者は長鎖脂肪酸のグリセリンエステルすなわちトリグリセリドを主成分とし,後者は炭化水素が主成分であるというように,その化学的組成はまったく異なる。動植物性油については油脂という名称も用いられるが,この場合,常温で液体のものを油oil,固体のものを脂fatと区別する。油脂は生物組織の構成成分として,またエネルギー源として,タンパク質や炭水化物とともに重要な成分である。…

※「oil」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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