V2EX stearic

Stearic

Definition / 定义

stearic(形容词):硬脂的;与硬脂酸(stearic acid)或动物/植物脂肪中的“硬脂”成分有关的。最常见于化学、食品与化妆品配方等语境(如 stearic acid“硬脂酸”)。

Pronunciation / 发音

/stirk/

Examples / 例句

This lotion uses stearic acid to thicken the texture.
这款乳液使用硬脂酸来增稠质地。

The stearic portion of the fat is more likely to stay solid at room temperature, which can change how the product feels on the skin.
脂肪中偏“硬脂”的部分更可能在室温下保持固态,从而改变产品在皮肤上的触感。

Etymology / 词源

来自希腊语 stéar(意为“脂肪、牛羊油/兽脂”),加上形容词后缀 -ic(“……的;与……有关的”),字面意思就是“与脂肪/兽脂有关的”,后来在化学中固定用于指与硬脂酸等相关的事物。

Related Words / 相关词

Literary Works / 文学作品

  • On Food and Cooking(Harold McGee)在讨论脂肪酸组成与口感/质地时会提到 **stearic (acid)**。
  • The Merck Index(默克索引,化学与药物参考书)条目中常出现 stearic 相关用法。
  • Ullmann's Encyclopedia of Industrial Chemistry(工业化学百科)在表面活性剂、脂肪酸与工业配方相关章节中可见 stearic
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