invitrifiableadj.
/ɪnˈvɪtrɪfʌɪəb(ə)l/ That cannot be vitrified or converted into glass.
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invitrifiable1794
1794 R. Kirwan Elements Mineral. (ed. 2) I. 120 Maquer found the purest gypsum invitrifiable by solar heat.
This entry has not yet been fully updated (first published 1900; most recently modified version published online March 2018).
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adj.1794