vitreous(redirected from vitreosity)
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1. of, relating to, or resembling glass
2. made of, derived from, or containing glass
3. of or relating to the vitreous humour or vitreous body
Descriptive of that degree of vitrification evidenced by low water absorption; generally signifies less than 0.3% absorption (except for floor and wall tile and low-voltage electrical porcelain, for which it signifies less than 3.0% absorption).