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Wordnet 3.0

ADJECTIVE (3)

1. of or relating to or constituting the vitreous humor of the eye;
- Example: "the vitreous chamber"

2. relating to or resembling or derived from or containing glass;
- Example: "vitreous rocks"
- Example: "vitreous silica"

3. (of ceramics) having the surface made shiny and nonporous by fusing a vitreous solution to it;
- Example: "glazed pottery"
- Example: "glassy porcelain"
- Example: "hard vitreous china used for plumbing fixtures"
[syn: glassy, vitreous, vitrified]


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 rocks. [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, electricity. 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]
WordNet (r) 3.0 (2006):

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, vitreous, vitrified]