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
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
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).
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.