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 (Zoöl.),
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.