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mole, in chemistry

(Encyclopedia)mole, in chemistry, a quantity of particles of any type equal to Avogadro's number, or 6.02×1023 particles. One gram-molecular weight of any molecular substance contains exactly one mole of molecules...

mole, in zoology

(Encyclopedia)mole, in zoology, common name for the small, burrowing, insectivorous mammals of the family Talpidae, found throughout the temperate Northern Hemisphere. Moles are trapped as pests, although they prob...

monitor, in zoology

(Encyclopedia)monitor, any of various, mostly tropical lizards. A monitor lizard has a heavy body, long head and neck, long tail that comes to a whiplike end, and strong legs with sharp claws. Its slender, forked t...

milo, in botany

(Encyclopedia)milo or milo maize: see sorghum. ...

mimosa, in botany

(Encyclopedia)mimosa mĭmōˈsə [key], any tree, shrub, or herb of the genus Mimosa of the family Leguminosae (pulse family), chiefly tropical plants. They usually have feathery foliage and rounded clusters of fra...

mine, in industry

(Encyclopedia)mine, in industry: see mining.

mine, in warfare

(Encyclopedia)mine, in warfare, term formerly applied to a system of tunnels dug under an army fortification and ending in a chamber where either explosives were placed to be detonated at a chosen moment or the sup...

moose, in zoology

(Encyclopedia)moose, largest member of the deer family, genus Alces, found in the northern parts of Eurasia and North America. The Eurasian species, A. alces, is known in Europe as the elk, a name which in North Am...

moray, in zoology

(Encyclopedia)moray: see eel.

mortar, in building

(Encyclopedia)mortar, in building, mixture of lime or cement with sand and water, used as a bedding and adhesive between adjacent pieces of stone, brick, or other material in masonry construction. Lime mortar, a co...