Brasque

n.1.(Metal.) A paste made by mixing powdered charcoal, coal, or coke with clay, molasses, tar, or other suitable substance. It is used for lining hearths, crucibles, etc. Called also steep.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
The teams which were finalists in the design competition represented Universite de Sherbrooke ('Projet d'usine de recyclage des brasques par le procede LCL&L'); Technical University of Nova Scotia, now DalTech ('Cogeneration of Heat and Power Using Wood Waste') and Ecole Polytechnique de Montreal ('Conception d'une unite de traitement de sol et d'eau souterraine contamines aux dichlorobenzenes').