stopping-out
n. செதுக்குவேலையில் அரிப்புக் காப்பீடு, (நி-ப) ஒலித்தடைக் காப்பீடு.
Stop"ping-out`, n. Defn: 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.