1. n. an impure product of the smelting of sulphide ores, esp. those of copper or nickel.
Etymology: F 2. n. Cinematog. a mask to obscure part of an image and allow another image to be superimposed, giving a combined effect.
Etymology: F
1. n. an impure product of the smelting of sulphide ores, esp. those of copper or nickel.
Etymology: F 2. n. Cinematog. a mask to obscure part of an image and allow another image to be superimposed, giving a combined effect.
Etymology: F
Oxford English vocab. Оксфордский английский словарь. 2012