1.the molecular weight of a substance expressed in grams; the basic unit of amount of substance adopted under the Systeme International d'Unites
2.a spy who works against enemy espionage
3.spicy sauce often containing chocolate
4.a small congenital pigmented spot on the skin
5.a protective structure of stone or concrete; extends from shore into the water to prevent a beach from washing away
6.small velvety-furred burrowing mammal having small eyes and fossorial forefeet
摩尔(英语:mole)是物质的量的国际单位,符号为mol。1摩尔是所含基本微粒个数与12克的碳-12()中所含原子个数相等的一系统物质的量。使用摩尔时,应指明基本微粒,可以是分子、原子、离子、电子或其他基本微粒,也可以是基本微粒的特定组合体。1摩尔物质中所含基本微粒的个数等于阿伏伽德罗常数,符号为NA,数值约是6.0221367×1023,常取6.02×10的23次方。一种物质的摩尔质量与式量,在使用国际单位制时,在数值上相等。