Hypertext Webster Gateway: "vitreous"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
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
rocks.
2. Of or pertaining to glass; derived from glass; as,
vitreous electricity.
{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,
electricity.
{Vitreous humor}. (Anat.) See the Note under {Eye}.
{Vitreous sponge} (Zo["o]l.), 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}.
From WordNet (r) 1.7 (wn)
vitreous
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}, {vitrified}]
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