Home›Browse›V›vitreous coatingvitreous coatingOur editors are putting together more complete content — check back in about 20 minutesvitreous coatingvitreous coating — nounnoun1. a hard, glassy layer applied to surfaces for protection or decoration1.nounDefinitiona hard, glassy layer applied to surfaces for protection or decorationExampleThe pot has a vitreous coating that makes it easy to clean.