Etymology : Middle English, from Old English mAl; akin to Old High German meil spot
Pronunciation : mOl
Function : noun
Date : 14th century
1. brown spot on the skin which often raised, birthmark; burrowing rodent (Zoology); double agent; breakwater structure; molecular weight of a substance (Chemistry). mole\mole\ , n. [as. māl; akin to ohg. meil, goth. mail cf. mail a spot.].
2. a spot; a stain; a mark which discolors or disfigures. [obs.].
3. a spot, mark, or small permanent protuberance on the human body; esp., a spot which is dark-colored, from which commonly issue one or more hairs.mole \mole\, n. [l. mola.] a mass of fleshy or other more or less solid matter generated in the uterus.mole \mole\, n. [f. môle, l. moles. cf. demolish, emolument, molest.] a mound or massive work formed of masonry or large stones, etc., laid in the sea, often extended either in a right line or an arc of a circle before a port which it serves to defend from the violence of the waves, thus protecting ships in a harbor; also, sometimes, the harbor itself.mole \mole\, v. t. [imp. & p. p. moled ; p. pr. & vb. n. moling.].
4. to form holes in, as a mole; to burrow; to excavate; as, to mole the earth.
5. to clear of molehills. [prov. eng.] --pegge.mole \mole\, n. [oe. molle, either shortened fr. moldwerp, or from the root of e. mold soil: cf. d. mol, od. molworp. see:
moldwarp.].
6. (zo?l.) any insectivore of the family talpid?. they have minute eyes and ears, soft fur, and very large and strong fore feet.note: the common european mole, or moldwarp (talpa europ?a), is noted for its extensive burrows. the common american mole, or shrew mole (scalops aquaticus), and star-nosed mole (condylura cristata) have similar habits.note: in the scriptures, the name is applied to two unindentified animals, perhaps the chameleon and mole rat.
7. a plow of peculiar construction, for forming underground drains. [u.s.].
8. A spot; a stain; a mark which discolors or disfigures.
9. A spot, mark, or small permanent protuberance on the human body; esp., a spot which is dark-colored, from which commonly issue one or more hairs.
10. A mass of fleshy or other more or less solid matter generated in the uterus.
11. A mound or massive work formed of masonry or large stones, etc., laid in the sea, often extended either in a right line or an arc of a circle before a port which it serves to defend from the violence of the waves, thus protecting ships in a harbor; also, sometimes, the harbor itself.
12. Any insectivore of the family Talpidæ.
13. They have minute eyes and ears, soft fur, and very large and strong fore feet.
14. A plow of peculiar construction, for forming underground drains.
15. To form holes in, as a mole; to burrow; to excavate; as, to mole the earth.
16. To clear of molehills. small velvety-furred burrowing mammal having small eyes and fossorial forefeet a small congenital pigmented spot on the skin spicy sauce often containing chocolate.
17. 1. A mole is a natural dark spot or small dark lump on someone's skin.
18. A mole is a small animal with black fur that lives underground.
19. A mole is a member of a government or other organization who gives secret information to the press or to a rival organization. He had been recruited by the Russians as a mole and trained in Moscow. A small congenital growth on the human skin, usually slightly raised and dark and sometimes hairy, especially a pigmented nevus. A fleshy abnormal mass formed in the uterus by the degeneration or abortive development of an ovum. or mol Standard unit for measuring everyday quantities of such minute entities as atoms or molecules. For any substance, the number of atoms or molecules in a mole is Avogadro's number (6.02 10^23) of particles. Defined exactly, it is the amount of pure substance containing the same number of chemical units that there are in exactly 12 g of carbon.
20. For each substance, a mole is its atomic weight, molecular weight, or formula weight in grams. The number of moles of a solute in a litre of solution is its molarity (M); the number of moles of solute in 1,000 g of solvent is its molality (m). The two measures differ slightly and have different uses. See also stoichiometry. Any burrowing, often blind insectivore in the family Talpidae (including 42 species of true moles) or Chrysochloridae (18 species of golden moles). Most species have short legs and tail, a pointed head, velvety grayish fur, no external ears, and a strong odour. They range from 3.5 to 8 in. (9 to 20 cm) long. The forelimbs are rotated outward like oars and have broad or pointed claws on the toes. Moles are active day and night, digging surface tunnels in search of earthworms, grubs, and other invertebrates and excavating deep (10 ft [3 m]), vented burrows (molehills) for occupancy. The star-nosed mole (Condylura cristata) of northeastern North America has 22 pink, tentacle-like touch organs radiating from its muzzle. Pigmented flat or fleshy skin mark, made up mostly of cells that produce melanin, which gives moles their light to dark brown or black colour and, in the dermis, a bluish cast. Thicker moles also contain nerve elements and connective tissue. Moles often begin in childhood, usually as flat spots between the dermis and epidermis. Those that remain there are more likely to become malignant. Most move into the dermis and become slightly raised. In children, moles may undergo changes resembling cancer but are benign. Malignant melanoma can begin in moles but almost never before puberty. During pregnancy, moles may enlarge and new ones may appear. Moles sometimes disappear with age. The term nevus refers to a congenital skin mark, whereas a mole may develop after birth. Epidermal nevi are usually the same colour as the surrounding skin.
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