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nacreous

[ney-kree-uh s] /ˈneɪ kri əs/
adjective
1.
of or pertaining to nacre.
2.
resembling nacre; lustrous; pearly.
Origin
1830-1840
1830-40; nacre + -ous
Related forms
subnacreous, adjective
unnacreous, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for nacreous
  • These clouds are known as nacreous and noctilucent clouds respectively.
  • The interior of the shell has a border of dark blue to violet surrounding the pearly white nacreous layer.
  • Other balloons will carry instruments to study the role of nacreous clouds in ozone depletion.
British Dictionary definitions for nacreous

nacreous

/ˈneɪkrɪəs/
adjective
1.
relating to or consisting of mother-of-pearl
2.
having the lustre of mother-of-pearl nacreous minerals
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
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nacreous in Medicine

nacreous na·cre·ous (nā'krē-əs)
adj.
Resembling mother-of-pearl; lustrous.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Difficulty index for nacreous

Few English speakers likely know this word

Word Value for nacreous

10
13
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