Dictionary.com
definitions
  • synonyms

choroid

[kawr-oid, kohr-]Anatomy
adjective
  1. like the chorion; membranous.
Show More
noun
  1. choroid coat.
Show More
Also cho·roi·dal, chorioid, chorioidal.

Origin of choroid

1625–35; < Greek choroeidḗs false reading for chorioeidḗs chorioid
Related formspre·cho·roid, adjectivesub·cho·roid, adjectivesub·cho·roi·dal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for choroid

Historical Examples


British Dictionary definitions for choroid

choroid

chorioid (ˈkɔːrɪˌɔɪd)

adjective
  1. resembling the chorion, esp in being vascular
Show More
noun
  1. the brownish vascular membrane of the eyeball between the sclera and the retina
Show More

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

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).

Show More
Online Etymology Dictionary, © 2010 Douglas Harper

choroid in Medicine

choroid

(kôroid′)
n.
  1. The dark-brown vascular coat of the eye between the sclera and the retina.
Show More
adj.
  1. Relating to the chorion or corium.
Show More
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

choroid in Science

choroid

[kôroid′]
Noun
  1. The dark-brown vascular coat of the eye between the sclera and the retina.
Show More
Adjective
  1. Resembling the chorion; membranous.
  2. Relating to or involving the choroid of the eye.
Show More
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.