mole 1
(mōl)n. A skin lesion, commonly a nevus, that is typically raised and discolored.
[Middle English mol, from Old English māl.]
mole 2
(mōl)n.1. Any of various small insectivorous mammals of the family Talpidae of North America and Eurasia, usually living underground and having a thickset body with light brown to dark gray silky fur, strong forefeet for burrowing, and often rudimentary eyes.
2. A machine that bores through hard surfaces, used especially for tunneling through rock.
3. A spy who operates from within an organization, especially a double agent operating against his or her own government from within its intelligence establishment.
[Middle English
molle; possibly akin to
mold.]
mole 3
(mōl)n.1. A massive, usually stone wall constructed in the sea, used as a breakwater and built to enclose or protect an anchorage or a harbor.
2. The anchorage or harbor enclosed by a mole.
[French môle, from Italian molo, from Late Greek mōlos, from Latin mōlēs, mass, mole.]
mole 4
(mōl)n. A fleshy abnormal mass formed in the uterus by the degeneration or abortive development of an ovum.
mole 5
(mōl)n. Abbr. mol Chemistry In the International System, the base unit used in representing an amount of a substance, equal to the amount of that substance that contains as many atoms, molecules, ions, or other elementary units as the number of atoms in 0.012 kilogram of carbon-12. The number is 6.0221 × 10
23, or Avogadro's number. See Table at
measurement.
[German Mol, short for Molekulargewicht, molecular weight, from molekular, molecular, from French moléculaire, from molécule, molecule; see molecule.]
mo·le 6
(mō′lā′) n. Any of various spicy sauces of Mexican origin, usually having a base of onion, chilies, nuts or seeds, and unsweetened chocolate and served with meat or poultry.
[Mexican and Central American Spanish, from Nahuatl
mōlli,
sauce; see
guacamole.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
mole
(məʊl) n1. (Animals) any small burrowing mammal, of the family Talpidae, of Europe, Asia, and North and Central America: order Insectivora (insectivores). They have velvety, typically dark fur and forearms specialized for digging
2. (Animals) golden mole any small African burrowing molelike mammal of the family Chrysochloridae, having copper-coloured fur: order Insectivora (insectivores)
3. (Government, Politics & Diplomacy) informal a spy who has infiltrated an organization and, often over a long period, become a trusted member of it
[C14: from Middle Dutch mol, of Germanic origin; compare Middle Low German mol]
mole
(məʊl) n1. (Civil Engineering) a breakwater
2. (Civil Engineering) a harbour protected by a breakwater
3. (Tools) a large tunnel excavator for use in soft rock
[C16: from French môle, from Latin mōlēs mass]
mole
(məʊl) n (Medicine)
pathol a nontechnical name for
naevus [Old English māl; related to Old High German meil spot]
mole
(məʊl) n (Units) the basic SI unit of amount of substance; the amount that contains as many elementary entities as there are atoms in 0.012 kilogram of carbon-12. The entity must be specified and may be an atom, a molecule, an ion, a radical, an electron, a photon, etc. Symbol: mol
[C20: from German Mol, short for Molekül molecule]
mole
(məʊl) n (Pathology) pathol a fleshy growth in the uterus formed by the degeneration of fetal tissues
[C17: medical use of Latin mola millstone]
mole
(ˈməʊleɪ) n (Cookery) a spicy Mexican sauce made from chili and chocolate
[C20: from Mexican Spanish from Nahuatl molli sauce]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
mole1
(moʊl)
n. 1. any of various small, insect-eating mammals, esp. of the family Talpidae, living chiefly underground and having velvety fur, very small eyes, and strong forefeet.
2. a spy who becomes part of and works from within the ranks of an enemy governmental staff or intelligence agency.
3. a large, powerful machine used in the construction of tunnels.
[1350–1400; Middle English molle; akin to Middle Dutch, Middle Low German mol]
mole2
(moʊl)
n. a small, congenital spot or blemish on the human skin, usu. of a dark color, slightly elevated, and sometimes hairy; nevus.
[before 1000; Old English māl; c. Old High German meil spot, Gothic mail wrinkle]
mole3
(moʊl)
n. 1. a massive structure, esp. of stone, set up in the water, as for a breakwater or a pier.
2. an anchorage or harbor protected by such a structure.
[1540–50; < Latin mōlēs mass, dam, mole]
mole4
or mol
(moʊl)
n. the quantity of a substance the weight of which equals the substance's molecular weight expressed in grams, and which contains 6.02 x 1023 molecules of the substance.
[< German
Mol (1900), short for
Molekül molecule]
mole5
(moʊl)
n. a mass in the uterus formed by malformed embryonic or placental tissue.
[1605–15; < New Latin mola millstone]
mo•le6
(ˈmoʊ leɪ)
n. a spicy Mexican sauce made with chocolate and chili peppers.
[1925–30; < Mexican Spanish < Nahuatl mōlli sauce]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
mole 1
(mōl) A small, usually dark growth on the skin.
mole 2
Any of various small mammals that have silky fur, strong forefeet for burrowing, and poor vision. Moles usually live underground and eat insects and earthworms.
mole 3
The amount of an element or substance that has a mass in grams numerically equal to the atomic or molecular weight of the substance. For example, carbon dioxide, CO2, has a molecular weight of 44; therefore, one mole of it weighs 44 grams. The number of atoms or molecules making up a mole is Avogadro's number.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
mole
The amount of a substance which contains the same number of entities (atoms, molecules, ions, any group of particles, but the type must be specified) as there are atoms in 0.012 kg of the carbon-12 isotope. The actual number is known as the Avogadro number, which has a value of 6.023 x 1023.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited