gneiss
noun
\ ˈnīs
\
\
Definition of gneiss
: a foliated metamorphic rock corresponding in composition to a feldspathic plutonic rock (such as granite)
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Other Words from gneiss
gneissic
\ ˈnī-sik
\
adjective
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adjective
gneissoid
\ ˈnī-ˌsȯid
\
adjective
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adjective
gneissose
\ ˈnī-ˌsōs
\
adjective
\
adjective
Examples of gneiss in a Sentence
Recent Examples on the Web
The near-seamless local bedrock, a type of rock called gneiss, is geologically stable and keeps water out. — Andrew Curry, The Atlantic, "What Lies Beneath," 11 Sep. 2017 The gneiss was also used to create the low stone walls that bring definition to the estate’s exterior walkways. — USA TODAY, "Hawk Hill, contemporary 1960s home towering over N.Y.'s Hudson River, for sale," 11 Aug. 2017 The falls are a 62-foot-high double-plunge along a granitic gneiss ledge. — Peter Marteka, courant.com, "Connecticut's Waterfalls: Five Beauties Not To Miss," 17 May 2017These example sentences are selected automatically from various online news sources to reflect current usage of the word 'gneiss.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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