Definify.com

Webster 1913 Edition


Vitreous

Vit′re-ous

,
Adj.
[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
(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
.

Webster 1828 Edition


Vitreous

VIT'REOUS

,
Adj.
[L. vitreus, from vitrum, glass or woad.]
1.
Pertaining to glass.
2.
Consisting of glass; as a vitreous substance.
3.
Resembling glass; as the vitreous humor of the eye, so called from its resembling melted glass. [See Humor.]

Definition 2024


vitreous

vitreous

English

Adjective

vitreous (comparative more vitreous, superlative most vitreous)

  1. Of or resembling glass; glassy.
  2. Of or relating to the vitreous humor of the eye.
  3. (of ceramics) Having a shiny nonporous surface.
  4. (chemistry) Of a semi-crystalline substance where the atoms exhibit short-range order, but without the long-range order of a crystal.
  5. (physics, dated) Positive (of electric charge).

Antonyms

Derived terms

Translations

Noun

vitreous (usually uncountable, plural vitreouses)

  1. (by elision) The vitreous humor.