MELANOSCOPE
Me*lan"o*scope, n. Etym: [Gr. -scope.] (Opt.)
Defn: An instrument containing a combination of colored glasses such that they transmit only red light, so that objects of other colors, as green leaves, appear black when seen through it. It is used for viewing colored flames, to detect the presence of potassium, lithium, etc., by the red light which they emit.
MELANOSIS
Mel`a*no"sis, Etym: [NL., fr. Gr. (Med.)
Defn: The morbid deposition of black matter, often of a malignant character, causing pigmented tumors.
MELANOSPERM
Me*lan"o*sperm, n. Etym: [Gr. (Bot.)
Defn: An alga of any kind that produces blackish spores, or seed dust. The melanosperms include the rockweeds and all kinds of kelp. — Mel`a*no*sper"mous, a.
MELANOTIC
Mel`a*not"ic
Defn: , Melanistic.
MELANOTYPE
Me*lan"o*type, n. Etym: [Gr. -type.] (Photog.)
Defn: 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.]