Stopping-out

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Stopping-out \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.
     [1913 Webster]