mole (animal)

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mole1 / mōl/ • n. 1. a small burrowing insectivorous mammal (family Talpidae) with dark velvety fur, a long muzzle, and very small eyes. Its several species include the eastern mole (Scalopus aquaticus) of North America. 2. a spy who achieves over a long period an important position within the security defenses of a country. ∎  someone within an organization who anonymously betrays confidential information. mole2 / mōl/ • n. a small, often slightly raised blemish on the skin made dark by a high concentration of melanin. mole3 / mōl/ • n. a large solid structure on a shore serving as a pier, breakwater, or causeway. ∎  a harbor formed or protected by such a structure. mole4 / mōl/ • n. Chem. the SI unit of amount of substance, equal to the quantity containing as many elementary units as there are atoms in 0.012 kg of carbon-12. mole5 / mōl/ • n. Med. an abnormal mass of tissue in the uterus. See also hydatidiform mole.

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mole Any of several species of small, burrowing, mainly insectivorous mammals that live in various habitats worldwide. The European mole, Talpa europaea, has short brown or black fur, a short tail, and wide clawed forefeet for digging tunnels. Its eyes are sensitive only to bright light. Length: to 18cm (7in). Family Talpidae.

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mole2 small burrowing mammal. XIV. ME. mol(l)e, mulle, prob. — MDu. mol, moll(e), (M)LG. mol, mul.

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mole See TALPIDAE.