V2EX molar

Molar

释义 Definition

molar(常用义)指磨牙:位于口腔后部、用于咀嚼和磨碎食物的牙齿(通常有多颗)。
也可指(化学)摩尔的 / 摩尔浓度的,如 molar mass(摩尔质量)、molar solution(摩尔溶液)。

发音 Pronunciation (IPA)

/molr/

例句 Examples

I have a cavity in my molar.
我有一颗磨牙蛀了。

The dentist explained that my wisdom tooth was pushing against the back molar, causing pain when I chewed.
牙医解释说,我的智齿正在挤压后面的磨牙,所以我咀嚼时会疼。

词源 Etymology

molar 来自拉丁语 molaris,意为“用于磨碎的”,源于 mola(磨石、磨)。因为磨牙的主要功能就是“把食物磨碎”,所以用这个词来命名。后来在化学中也借用 molar 来表示与“摩尔(mole)”相关的量(如摩尔浓度),属于同形异义的常见用法。

相关词 Related Words

文学与著名作品 Literary Works

  • Gray’s Anatomy(《格雷氏解剖学》):在牙齿解剖与颌面结构描述中频繁出现 molar
  • Charles Darwin, On the Origin of Species(达尔文《物种起源》):在讨论哺乳动物特征与比较解剖时会涉及臼齿/磨牙(molars)等术语。
  • Charles Darwin, The Descent of Man(达尔文《人类的由来》):谈到人类与灵长类的比较时常提及牙齿类型,包括 molars
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