The Collaborative International Dictionary
Vitrifiable
Vitrifiable \Vit"ri*fi`a*ble\, a. [Cf. F. vitrifiable.] Capable of being vitrified, or converted into glass by heat and fusion; as, flint and alkalies are vitrifiable.
Wiktionary
vitrifiable
a. Capable of being vitrify, or converted into glass by heat and fusion.