单词 | mole |
释义 | mole1[ mohl ] / moʊl / SEE SYNONYMS FOR mole ON THESAURUS.COM nounany of various small insectivorous mammals, especially of the family Talpidae, living chiefly underground, and having velvety fur, very small eyes, and strong forefeet: I stopped hating the moles in my rose garden when I realized they were eating the Japanese beetle grubs. a spy who becomes part of and works from within the ranks of an enemy governmental staff or intelligence agency: There is always a risk that the mole may defect to the enemy.Compare double agent. Machinery. a large, powerful machine for boring through earth or rock, used in the construction of tunnels: He worked as a mechanic on the mole that created our subway tunnels. Origin of mole1First recorded in 1350–1400; Middle English molle; akin to Middle Dutch, Middle Low German mol Words nearby moleMoldovan, moldwarp, mold wash, moldy, moldy fig, mole, Molech, mole crab, mole cricket, molecular, molecular astronomy Definition for mole (2 of 6)mole2 [ mohl ] / moʊl / nouna small, congenital spot or blemish on the human skin, usually of a dark color, slightly elevated, and sometimes hairy; nevus: The pamphlet explains why it's important to monitor changes in a mole's color or shape. Origin of mole2First recorded before 1000; Middle English; Old English māl; akin to Old High German meil “spot,” Gothic mail “wrinkle” Definition for mole (3 of 6)mole3 [ mohl ] / moʊl / nouna massive structure, especially of stone, set up in the water, as for a breakwater, pier, or causeway: a mole may be topped with pierlike wooden planking, but unlike a typical pier, the mole does not allow water to pass under it: Islanders are raising money to restore the mole that once ran to the mainland. an anchorage or harbor protected by such a structure: For our small fleet of boats, this mole has been most accommodating. Origin of mole3First recorded in 1540–50; from Latin mōlēs “mass, dam, mole” Definition for mole (4 of 6)mole4 or mol[ mohl ] / moʊl / noun Chemistry.the basic unit in the International System of Units (SI), representing the amount of a substance expressed in grams containing as many atoms, molecules, or ions as the number of atoms in 12 grams of carbon-12 (which is Avogadro's number, or 6.022 × 1023): To express the concentration of the substance in solution, use moles per liter. Origin of mole4First recorded in 1900–05; from German Mol, short for Molekül, the German word for molecule Definition for mole (5 of 6)mole5 [ mohl ] / moʊl / noun Pathology, Embryology.molar pregnancy. Origin of mole5First recorded in1350–1400; Middle English mola, from Latin mola, “millstone, false conception” Definition for mole (6 of 6)mole6 [ moh-ley; Spanish maw-le ] / ˈmoʊ leɪ; Spanish ˈmɔ lɛ / noun Mexican Cooking.a spicy sauce typically flavored with dark chocolate, chile peppers, and spices, usually served with turkey or chicken: Have you tried making your mole in a slow cooker? Origin of mole6First recorded in 1880–85; from Mexican Spanish, from Nahuatl mōlli “sauce, gravy”; see guacamole Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for moleBritish Dictionary definitions for mole (1 of 6)mole1 / (məʊl) / nounany 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 golden mole any small African burrowing molelike mammal of the family Chrysochloridae, having copper-coloured fur: order Insectivora (insectivores) informal a spy who has infiltrated an organization and, often over a long period, become a trusted member of it Word Origin for moleC14: from Middle Dutch mol, of Germanic origin; compare Middle Low German mol British Dictionary definitions for mole (2 of 6)mole2 / (məʊl) / nouna breakwater a harbour protected by a breakwater a large tunnel excavator for use in soft rock Word Origin for moleC16: from French môle, from Latin mōlēs mass British Dictionary definitions for mole (3 of 6)mole3 / (məʊl) / nounpathol a nontechnical name for naevus Word Origin for moleOld English māl; related to Old High German meil spot British Dictionary definitions for mole (4 of 6)mole4 / (məʊl) / nounthe 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, etcSymbol: mol Word Origin for moleC20: from German Mol, short for Molekül molecule British Dictionary definitions for mole (5 of 6)mole5 / (məʊl) / nounpathol a fleshy growth in the uterus formed by the degeneration of fetal tissues Word Origin for moleC17: medical use of Latin mola millstone British Dictionary definitions for mole (6 of 6)mole6 / (ˈməʊleɪ) / nouna spicy Mexican sauce made from chili and chocolate Word Origin for moleC20: from Mexican Spanish from Nahuatl molli sauce Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for mole (1 of 3)mole 11 [ mōl ] n.A small congenital growth on the skin, usually slightly raised and dark and sometimes hairy, especially a pigmented nevus.nevus pigmentosus Medical definitions for mole (2 of 3)mole 22 [ mōl ] n.A fleshy abnormal mass formed in the uterus by the degeneration or abortive development of an ovum. hydatidiform mole Medical definitions for mole (3 of 3)mole 33 n.The amount of a 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 6.0225 X 1023, or Avogadro's number.gram molecule The mass in grams of this amount of a substance, numerically equal to the molecular weight of the substance.gram-molecular weight The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for mole (1 of 2)mole1 [ mōl ] A small, usually pigmented, benign growth on the skin. Scientific definitions for mole (2 of 2)mole2 [ mōl ] The amount of an element, compound, or other substance that has the same number of basic particles as 12 grams of Carbon-12. The number of particles making up a mole is Avogadro's number. For elements and compounds, the mass of one mole, in grams, is roughly 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 American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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