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choroid

[kawr-oid, kohr-] /ˈkɔr ɔɪd, ˈkoʊr-/
adjective
1.
like the chorion; membranous.
noun
Also, choroidal, chorioid, chorioidal.
Origin
1625-1635
1625-35; < Greek choroeidḗs false reading for chorioeidḗs chorioid
Related forms
prechoroid, adjective
subchoroid, adjective
subchoroidal, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for choroid
  • Behind the epithelial lining of the foramen the choroid plexuses of the lateral ventricles are joined across the middle line.
  • The closest network and the smallest interspaces are found in the lungs and in the choroid coat of the eye.
British Dictionary definitions for choroid

choroid

/ˈkɔːrɔɪd/
adjective
1.
resembling the chorion, esp in being vascular
noun
2.
the brownish vascular membrane of the eyeball between the sclera and the retina
Word Origin
C18: from Greek khoroeidēs, erroneously for khorioeidēs, from chorion
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 choroid
adj.

1680s, from Latinized form of Greek khoroeides, a corruption of khorioeides, from khorion (see chorion) + eidos "resemblance" (see -oid).

Online Etymology Dictionary, © 2010 Douglas Harper
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choroid in Medicine

choroid cho·roid (kôr'oid') or cho·ri·oid (kôr'ē-oid')
n.
The dark-brown vascular coat of the eye between the sclera and the retina. adj.
Relating to the chorion or corium.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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choroid in Science
choroid
  (kôr'oid')   
Noun  The dark-brown vascular coat of the eye between the sclera and the retina.

Adjective  
  1. Resembling the chorion; membranous.

  2. Relating to or involving the choroid of the eye.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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