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[gran-it] /ˈgræn ɪt/

a coarse-grained igneous rock composed chiefly of orthoclase and albite feldspars and of quartz, usually with lesser amounts of one or more other minerals, as mica, hornblende, or augite.
anything compared to this rock in great hardness, firmness, or durability.
a light-coloured coarse-grained acid plutonic igneous rock consisting of quartz, feldspars, and such ferromagnesian minerals as biotite or hornblende: widely used for building
great hardness, endurance, or resolution
another name for a stone (sense 9)

1794, from granite + -ic.

1640s, from French granit(e) (17c.) or directly from Italian granito “granite,” originally “grained,” past participle of granire “granulate, make grainy,” from grano “grain,” from Latin granum “grain” (see corn (n.1)). In reference to the appearance of the rock. Used figuratively for “hardness” (of the heart, head, etc.) from 1839. New Hampshire, U.S., has been the Granite State since at least 1825.
A usually light-colored, coarse-grained igneous rock consisting mostly of quartz, orthoclase feldspar, sodium-rich plagioclase feldspar, and micas. Quartz usually makes up 10 to 50 percent of the light-colored minerals in granite, with the remaining minerals consisting of the feldspars and muscovite. The darker minerals in granite are usually biotite and hornblende. Granite is one of the most common rocks in the crust of continents, and is formed by the slow, underground cooling of magma.

A relatively lightweight igneous rock that makes up most of the Earth’s crust beneath the continents. (See basalt, plate tectonics, and tectonic plates.)


Read Also:

  • Graniteware

    [gran-it-wair] /ˈgræn ɪtˌwɛər/ noun 1. a kind of ironware with a gray, stonelike enamel. 2. pottery with a speckled appearance like that of . 3. a semivitreous white pottery somewhat harder than earthenware. /ˈɡrænɪtˌwɛə/ noun 1. iron vessels coated with enamel of a granite-like appearance 2. a type of very durable white semivitreous pottery 3. […]

  • Granitite

    [gran-i-tahyt] /ˈgræn ɪˌtaɪt/ noun 1. a rich in biotite. /ˈɡrænɪˌtaɪt/ noun 1. any granite with a high content of biotite

  • Granitization

    [gran-i-tuh-zey-shuh n] /ˌgræn ɪ təˈzeɪ ʃən/ noun 1. a hypothetical process of forming granite. /ˌɡrænɪtaɪˈzeɪʃən/ noun 1. the metamorphic conversion of a rock into granite

  • Granitize

    [gran-i-tahyz] /ˈgræn ɪˌtaɪz/ verb (used with object), granitized, granitizing. 1. to subject to .

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