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2 definitions found
 for Vitreous
From The Collaborative International Dictionary of English v.0.48 :

  Vitreous \Vit"re*ous\, a. [L. vitreous, from vitrum glass;
     perhaps akin to videre to see (see Vision). Cf. Varnish.]
     1. Consisting of, or resembling, glass; glassy; as, vitreous
        [1913 Webster]
     2. Of or pertaining to glass; derived from glass; as,
        vitreous electricity.
        [1913 Webster]
     Vitreous body (Anat.), the vitreous humor. See the Note
        under Eye.
     Vitreous electricity (Elec.), the kind of electricity
        excited by rubbing glass with certain substances, as silk;
        positive electricity; -- opposed to resinous, or negative,
     Vitreous humor. (Anat.) See the Note under Eye.
     Vitreous sponge (Zool.), any one of numerous species of
        siliceous sponges having, often fibrous, glassy spicules
        which are normally six-rayed; a hexactinellid sponge. See
        Venus's basket, under Venus.
        [1913 Webster]

From WordNet (r) 3.0 (2006) :

      adj 1: of or relating to or constituting the vitreous humor of
             the eye; "the vitreous chamber"
      2: relating to or resembling or derived from or containing
         glass; "vitreous rocks"; "vitreous silica"
      3: (of ceramics) having the surface made shiny and nonporous by
         fusing a vitreous solution to it; "glazed pottery"; "glassy
         porcelain"; "hard vitreous china used for plumbing fixtures"
         [syn: glassy, vitreous, vitrified]

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