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gneissoid

[nahy-soid]

adjective

resembling gneiss.

Origin:
1840–50; gneiss + -oid

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Gneissoid is always a great word to know.

So is quincunx. Does it mean:

an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.

a fool or simpleton; ninny.

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Collins

World English Dictionary

gneiss (naɪs)

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

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

'gneissic

—*adj*

'gneissoid

—*adj*

'gneissose

—*adj*

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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gneissoid

gneiss·oid