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Definitions

American Heritage® Dictionary of the English Language, Fourth Edition

  1. adj. Of, relating to, resembling, or having the nature of glass; glassy.
  2. adj. Obtained or made from glass.
  3. adj. Of or relating to the vitreous humor.
  4. n. The vitreous humor.

Century Dictionary and Cyclopedia

  1. Of, pertaining to, or obtained from glass; resembling glass.
  2. Consisting of glass: as, a vitreous substance.
  3. Resembling glass in some respects; glassy: thus, an object may be vitreous in its hardness, in its gloss, in its structure, etc. Specifically, in anatomy and zoology, vitriform; glassy; like glass— in transparency, as a clear jelly may resemble glass; hyaloid: as, the vitreous body or humor of the eye; in translucency, thinness, or smoothness; hyaline: as, a vitreous shell; in hardness and brittleness: as, the vitreous tablets of the skull; in mode of cleavage; clean-cut: as, a vitreous fracture; in chemical composition; silicious: as, a vitreous sponge.
  4. n. The vitreous body of the eye.

Wiktionary

  1. adj. Of, or resembling glass; glassy
  2. adj. Of, or relating to the vitreous humor of the eye
  3. adj. having a shiny nonporous surface
  4. adj. Of a semi-crystalline substance where the atoms exhibit short-range order, but without the long-range order of a crystal
  5. adj. positive (of electric charge)
  6. n. The vitreous humor.

GNU Webster's 1913

  1. adj. Consisting of, or resembling, glass; glassy.
  2. adj. Of or pertaining to glass; derived from glass.

WordNet 3.0

  1. adj. of or relating to or constituting the vitreous humor of the eye
  2. adj. (of ceramics) having the surface made shiny and nonporous by fusing a vitreous solution to it
  3. adj. relating to or resembling or derived from or containing glass

Etymologies

  1. From Latin vitreus, from vitrum, glass.

Examples

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‘vitreous’ has been looked up 1277 times, loved by 2 people, added to 31 lists, and has a Scrabble score of 11.