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mol

Pronunciation: [mɒl]

Word

Learn how to use mol in a sentence: 6 audio examples across 2 meanings.

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?

How to pronounce mol

Pronunciation: [mɒl]

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