The Collaborative International Dictionary
Melanotype
Melanotype \Me*lan"o*type\, n. [Gr. me`las, me`lanos, black + -type.] (Photog.) A positive picture produced with sensitized collodion on a smooth surface of black varnish, coating a thin plate of iron; also, the process of making such a picture. [Written also melainotype.]
Wiktionary
melanotype
n. (alternative form of melainotype English)