I. ˈvi.trēəs adjective
Etymology: Latin vitreus, from vitrum glass — more at woad
1. : of, relating to, derived from, or consisting of glass
2.
a. : resembling glass (as in color, composition, brittleness, or luster) : glassy
vitreous rocks
b. of a fired clay body : having extremely low porosity because of the presence of a glassy phase
3. : of, relating to, or constituting the vitreous humor of the eye
the vitreous chamber
4. : of the color glass green
• vit·re·ous·ly adverb
• vit·re·ous·ness noun -es
II. noun
( -es )
: vitreous humor