hard-burnt

hard-burnt

Nearly vitrified; said of clay product which has been fired at a high temperature; usually has relatively low absorption and high compressive strength.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
It's a v-necked, sleeveless, calico camisole overlaid with a web of black lace which looks as though it's been hard-burnt with a cigarette and deliberately frayed.