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
rocks.
[1913 Webster]
2. Of or pertaining to glass; derived from glass; as,
vitreous electricity.
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{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]