[vi-tree-uh s]
  1. of the nature of or resembling glass, as in transparency, brittleness, hardness, glossiness, etc.: vitreous china.
  2. of or relating to glass.
  3. obtained from or containing glass.

Origin of vitreous

1640–50; < Latin vitreus, equivalent to vitr(um) glass + -eus -eous
Related formsvit·re·ous·ly, adverbvit·re·ous·ness, vit·re·os·i·ty [vi-tree-os-i-tee] /ˌvɪ triˈɒs ɪ ti/, nounsub·vit·re·ous, adjectivesub·vit·re·ous·ly, adverbsub·vit·re·ous·ness, nounun·vi·tre·os·i·ty, nounun·vit·re·ous, adjectiveun·vit·re·ous·ly, adverbun·vit·re·ous·ness, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for subvitreous


  1. of, relating to, or resembling glass
  2. made of, derived from, or containing glass
  3. of or relating to the vitreous humour or vitreous body
Derived Formsvitreously, adverb

Word Origin for vitreous

C17: from Latin vitreus made of glass, from vitrum glass; probably related to vidēre to see
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 subvitreous



1640s, from Latin vitreus "of glass, glassy," from vitreum "glass," which perhaps was so called for its color (cf. vitrium "woad"). Vitreous humor attested from 1660s.

Online Etymology Dictionary, © 2010 Douglas Harper

subvitreous in Medicine


  1. Of, relating to, resembling, or having the nature of glass; glassy.
  2. Of or relating to the vitreous body.
  1. The vitreous body.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

subvitreous in Science


  1. Relating to or resembling glass.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.