vitˈreum noun

The vitreous humour of the eye

vitˈric adjective

vitˈrics plural noun

1. Glassy materials
2. Glassware

The study of glass and its manufacture

vitrifacˈtion or vitrificāˈtion noun

1. The act, process, or operation of vitrifying, or converting into glass
2. The state of being vitrified
3. A vitrified substance
4. (usu vitrification) a technique of IVF in which embryos are frozen quickly in liquid nitrogen

vitrifacˈture noun

The manufacture of glass

vitˈrifiable adjective

vitˈrified adjective

vitˈriform adjective

Having the form or appearance of glass

vitˈrify transitive verb and intransitive verb

To make into or become glass or a glassy substance

Vitrīˈna noun

A genus of thin-shelled land molluscs, between slugs and true snails, the glass-snails

vitˈrine /-rēn or -rin/ noun

A glass display case used to protect delicate articles, exhibit specimens, etc

vitreous electricity noun

An old name for positive electricity, because glass becomes positively charged when rubbed with silk

vitreous enamel noun

A glazed coating fused onto a steel surface for protection and/or decoration

vitreous humour noun

The jellylike substance filling the posterior chamber of the eye of a vertebrate, between the lens and the retina

vitrified fort noun

A hill fort in (esp) Scotland, in which the siliceous stone has been vitrified by fire, whether by intention or accident is uncertain