pegmatite

[ peg-muh-tahyt ]

/ ˈpɛg məˌtaɪt /

noun Petrology.

a coarsely crystalline granite or other high-silica rock occurring in veins or dikes.

Origin of pegmatite

1825–35; <Greek pēgmat- (stem of pêgma) anything fastened together, a bond (compare pēgnýein to stick) + -ite¹

OTHER WORDS FROM pegmatite

peg·ma·tit·ic

[peg-muh-tit-ik], /ˌpɛg məˈtɪt ɪk/, adjective

Words nearby pegmatite

pegged tooth, pegging, Peggy, peg leg, Pegler, pegmatite, peg out, peg top, Pegu, Péguy, pegwood

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for pegmatite

Granite and pegmatite were round some lagoons near the creek from the southward.
Journal of an Overland Expedition in Australia|Ludwig Leichhardt
Pebbles and blocks of Pegmatite covered the bed of the creek.
Journal of an Overland Expedition in Australia|Ludwig Leichhardt
The country was very mountainous; granitic and pegmatite ranges bounded the valley on both sides.
Journal of an Overland Expedition in Australia|Ludwig Leichhardt
The zirconium silicate, zircon, is a fairly common accessory constituent of granitic rocks and pegmatite veins.
The Economic Aspect of Geology|C. K. Leith

Chemically, petuntse resembles the pegmatite of Limoges; mineralogically, it is to be classed with petrosilicious felspar.
The Ceramic Art|Jennie J. Young

British Dictionary definitions for pegmatite

pegmatite

/ (ˈpɛɡməˌtaɪt) /

noun

any of a class of exceptionally coarse-grained intrusive igneous rocks consisting chiefly of quartz and feldspar: often occurring as dykes among igneous rocks of finer grain

Derived forms of pegmatite

pegmatitic (ˌpɛɡməˈtɪtɪk), adjective

Word Origin for pegmatite

C19: from Greek pegma something joined together

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

Scientific definitions for pegmatite

pegmatite

[ pĕg′mə-tīt′ ]

Any of various coarse-grained igneous rocks that often occur as wide veins cutting across other types of rock. Pegmatites form from water-rich magmas or lavas that cool slowly, allowing the crystals to grow to large sizes. Although pegmatites can be compositionally similar to a number of rocks, they most often have the composition of granite.

单词	pegmatite
释义	pegmatite [ peg-muh-tahyt ] / ˈpɛg məˌtaɪt / noun Petrology. a coarsely crystalline granite or other high-silica rock occurring in veins or dikes. Origin of pegmatite 1825–35; <Greek pēgmat- (stem of pêgma) anything fastened together, a bond (compare pēgnýein to stick) + -ite¹ OTHER WORDS FROM pegmatite peg·ma·tit·ic [peg-muh-tit-ik], /ˌpɛg məˈtɪt ɪk/, adjective Words nearby pegmatite pegged tooth, pegging, Peggy, peg leg, Pegler, pegmatite, peg out, peg top, Pegu, Péguy, pegwood Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for pegmatite Granite and pegmatite were round some lagoons near the creek from the southward. Journal of an Overland Expedition in Australia\|Ludwig Leichhardt Pebbles and blocks of Pegmatite covered the bed of the creek. Journal of an Overland Expedition in Australia\|Ludwig Leichhardt The country was very mountainous; granitic and pegmatite ranges bounded the valley on both sides. Journal of an Overland Expedition in Australia\|Ludwig Leichhardt The zirconium silicate, zircon, is a fairly common accessory constituent of granitic rocks and pegmatite veins. The Economic Aspect of Geology\|C. K. Leith Chemically, petuntse resembles the pegmatite of Limoges; mineralogically, it is to be classed with petrosilicious felspar. The Ceramic Art\|Jennie J. Young British Dictionary definitions for pegmatite pegmatite / (ˈpɛɡməˌtaɪt) / noun any of a class of exceptionally coarse-grained intrusive igneous rocks consisting chiefly of quartz and feldspar: often occurring as dykes among igneous rocks of finer grain Derived forms of pegmatite pegmatitic (ˌpɛɡməˈtɪtɪk), adjective Word Origin for pegmatite C19: from Greek pegma something joined together 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 Scientific definitions for pegmatite pegmatite [ pĕg′mə-tīt′ ] Any of various coarse-grained igneous rocks that often occur as wide veins cutting across other types of rock. Pegmatites form from water-rich magmas or lavas that cool slowly, allowing the crystals to grow to large sizes. Although pegmatites can be compositionally similar to a number of rocks, they most often have the composition of granite. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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