mol
Pronunciation: [mɒl]
Word
Context: "science"
(noun) a unit used in chemistry to measure the amount of substance. When you have a 'mol' of something, it means you have a certain number of items, like atoms or molecules, that are very, very tiny.
Example
In chemistry class, we learned that one mole of water has about 6.022 x 10^23 water molecules.
Example
I didn't have a mole of sodium, so I couldn't complete the experiment.
Example
How many moles of salt do we need for this reaction?
Context: "slang"
(noun) a person working undercover to gather information. Imagine someone pretending to be a friend, but actually, they are trying to find out secrets.
Example
The police sent a mole into the gang to gather information without being noticed.
Example
It turned out that nobody was a mole in our group; everyone was honest.
Example
Could there be a mole among us trying to find out our plans?
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