Definition of "mole"
- noun
A pigmented spot on the skin, a naevus, slightly raised, and sometimes hairy.
Any of several small, burrowing insectivores of the family Talpidae.
Any of the burrowing rodents also called mole rats.
An internal spy, a person who involves himself or herself with an enemy organisation, especially an intelligence or governmental organisation, to determine and betray its secrets from within.
A haven or harbour, protected with such a breakwater.
In the International System of Units, the base unit of amount of substance; the amount of substance of a system which contains as many elementary entities as there are atoms in 0.012 kg of carbon-12. The number of atoms is known as Avogadro's number.
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