mole in Dutch

A naevus, a pigmented, slightly raised, and sometimes hairy spot on the skin.

Any of several small, burrowing, insectivorous mammals of the family Talpidae.

(chemistry, physics) In the International System of Units, the base unit of amount of substance; the amount of substance of a system which contains exactly 6.02214076×1023 elementary entities (atoms, ions, molecules, etc.). Symbol: mol. The number of atoms is known as Avogadro’s number. [from 1897]