transitive verb
Etymology: black lead
: to apply graphite to ; especially : to cover the face of (matter to be molded for electrotyping) with graphite to prevent adhesion of wax or the face of (a wax mold) with graphite to induce electrodeposition
transitive verb
Etymology: black lead
: to apply graphite to ; especially : to cover the face of (matter to be molded for electrotyping) with graphite to prevent adhesion of wax or the face of (a wax mold) with graphite to induce electrodeposition
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012