V2EX unsaturated

Unsaturated

定义 Definition

Unsaturated(不饱和的):常指化学上未达到最大结合/吸收量的状态。常见用法包括:

  • 不饱和脂肪:分子中含有一个或多个双键/三键(如不饱和脂肪酸)。
  • 不饱和溶液:在一定温度下还能继续溶解溶质的溶液。
    (也可引申为“未满足的、未充分的”,但较常见于理化语境。)

例句 Examples

Unsaturated fats are generally considered healthier than saturated fats.
不饱和脂肪通常被认为比饱和脂肪更健康。

Because the solution was unsaturated at room temperature, it could dissolve more salt until it reached equilibrium.
由于该溶液在室温下是不饱和的,它还能继续溶解更多盐,直到达到平衡状态。

发音 Pronunciation

/nstretd/

词源 Etymology

由前缀 un-(表示否定,“不”)+ saturated(饱和的)构成;saturate 源自拉丁语 saturare,意为“使充满、使饱和”。因此 unsaturated 字面意思就是“未被充满的/未达到饱和的”。

相关词 Related Words

文学作品中的用例 Literary Works

  • Upton Sinclair《The Jungle》(《屠场》):涉及食品加工与脂肪等内容的描写中常见 saturated/unsaturated fat 一类术语(不同版本/节选中出现频率不一)。
  • Michael Pollan《In Defense of Food》(《食物的辩护》):讨论饮食与脂肪类型时会使用 unsaturated 等营养学词汇。
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