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[skwey-muh s] /ˈskweɪ məs/
covered with or formed of squamae or scales.
Also, squamosal, squamose
[skwey-mohs, skwuh-mohs] /ˈskweɪ moʊs, skwəˈmoʊs/ (Show IPA)
Origin of squamous
From the Latin word squāmōsus, dating back to 1535-45. See squama, -ous
Related forms
squamously, squamosely, adverb
squamousness, squamoseness, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for squamous


adjective (biology)
(of epithelium) consisting of one or more layers of flat platelike cells
covered with, formed of, or resembling scales
Derived Forms
squamously, squamosely, adverb
squamousness, squamoseness, noun
Word Origin
C16: from Latin squāmōsus, from squāma a scale
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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Word Origin and History for squamous

1540s, from Latin squamosus "covered with scales, scaly," from squama "scale," perhaps related to squalus "foul, filthy" (see squalid). Middle English had squame (late 14c.) "a scale," from Old French esquame, from Latin squama.

Online Etymology Dictionary, © 2010 Douglas Harper
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squamous in Medicine

squamous squa·mous (skwā'məs, skwä'-) or squa·mose (-mōs')

  1. Covered with or formed of scales; scaly.

  2. Resembling a scale or scales; thin and flat.

  3. Squamosal.

squa'mous·ness n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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