gneiss

[ nahys ]

/ naɪs /

noun

a metamorphic rock, generally made up of bands that differ in color and composition, some bands being rich in feldspar and quartz, others rich in hornblende or mica.

Origin of gneiss

Borrowed into English from German around 1750–60

OTHER WORDS FROM gneiss

gneissic, adjective

WORDS THAT MAY BE CONFUSED WITH gneiss

gneiss , nice

Words nearby gneiss

gnatty, gnaw, gnawing, gnawn, GNC, gneiss, gneissoid, gnetophyte, Gniezno, GNMA, GNOC

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

Example sentences from the Web for gneiss

In the centre of a lovely valley rises a conical rock of gneiss, protruding to the height of 200 feet or more.
Round About the Carpathians|Andrew F. Crosse
Hence the origin of the primary or crystalline strata,—gneiss, mica-schist, and the rest.
A Manual of Elementary Geology|Charles Lyell.
The rock was found by Watson to be gneiss, rich in mica, felspar and garnets.
The Home of the Blizzard|Douglas Mawson
The rocks, like those where we landed last night, were grey granite and gneiss.
Narrative of an Expedition to the Shores of the Arctic Sea in 1846 and 1847|John Rae

It is composed of gneiss, curiously crossed in every direction by veins of quartz.
Forest Life and Forest Trees: comprising winter camp-life among the loggers, and wild-wood adventure.|John S. Springer

British Dictionary definitions for gneiss

gneiss

/ (naɪs) /

noun

any coarse-grained metamorphic rock that is banded and foliated: represents the last stage in the metamorphism of rocks before melting

Derived forms of gneiss

gneissic, gneissoid or gneissose, adjective

Word Origin for gneiss

C18: from German Gneis, probably from Middle High German ganeist spark; related to Old Norse gneista to give off sparks

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 gneiss

gneiss

[ nīs ]

A highly foliated, coarse-grained metamorphic rock consisting of light-colored layers, usually of quartz and feldspar, alternating with dark-colored layers of other minerals, usually hornblende and biotite. Individual grains are often visible between layers. Gneiss forms as the result of the regional metamorphism of igneous, sedimentary, or other metamorphic rocks.

单词	gneiss
释义	gneiss [ nahys ] / naɪs / noun a metamorphic rock, generally made up of bands that differ in color and composition, some bands being rich in feldspar and quartz, others rich in hornblende or mica. Origin of gneiss Borrowed into English from German around 1750–60 OTHER WORDS FROM gneiss gneissic, adjective WORDS THAT MAY BE CONFUSED WITH gneiss gneiss , nice Words nearby gneiss gnatty, gnaw, gnawing, gnawn, GNC, gneiss, gneissoid, gnetophyte, Gniezno, GNMA, GNOC Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for gneiss In the centre of a lovely valley rises a conical rock of gneiss, protruding to the height of 200 feet or more. Round About the Carpathians\|Andrew F. Crosse Hence the origin of the primary or crystalline strata,—gneiss, mica-schist, and the rest. A Manual of Elementary Geology\|Charles Lyell. The rock was found by Watson to be gneiss, rich in mica, felspar and garnets. The Home of the Blizzard\|Douglas Mawson The rocks, like those where we landed last night, were grey granite and gneiss. Narrative of an Expedition to the Shores of the Arctic Sea in 1846 and 1847\|John Rae It is composed of gneiss, curiously crossed in every direction by veins of quartz. Forest Life and Forest Trees: comprising winter camp-life among the loggers, and wild-wood adventure.\|John S. Springer British Dictionary definitions for gneiss gneiss / (naɪs) / noun any coarse-grained metamorphic rock that is banded and foliated: represents the last stage in the metamorphism of rocks before melting Derived forms of gneiss gneissic, gneissoid or gneissose, adjective Word Origin for gneiss C18: from German Gneis, probably from Middle High German ganeist spark; related to Old Norse gneista to give off sparks 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 gneiss gneiss [ nīs ] A highly foliated, coarse-grained metamorphic rock consisting of light-colored layers, usually of quartz and feldspar, alternating with dark-colored layers of other minerals, usually hornblende and biotite. Individual grains are often visible between layers. Gneiss forms as the result of the regional metamorphism of igneous, sedimentary, or other metamorphic rocks. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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