Stop"ping-out` (?), n. A method
adopted in etching, to keep the acid from those parts which are
already sufficiently corroded, by applying varnish or other covering
matter with a brush, but allowing the acid to act on the other
parts.
Stop"ping-out` (?), n. A method
adopted in etching, to keep the acid from those parts which are
already sufficiently corroded, by applying varnish or other covering
matter with a brush, but allowing the acid to act on the other
parts.