melano

a. [ Gr. melana`chroos; me`las, -anos, black + chroa` color. ] Having a dark complexion; of or pertaining to the Melanochroi. [ 1913 Webster ]

n. [ See Melanochroic. ] (Min.) A mineral of a red, or brownish or yellowish red color. It is a chromate of lead; -- called also phoenicocroite. [ 1913 Webster ]

a. [ Gr. me`las, me`lanos, black + &unr_; hair. ] Having very dark or black hair; black-haired. Prichard. [ 1913 Webster ]

‖n.; L. pl. -nomata /plu>. [ NL.; Gr. &unr_;, &unr_;, black + -oma. ] (Med.) (a) A tumor containing dark pigment. Such tumors are usually malignant and often fatal. (b) Development of dark-pigmented tumors. [ Webster 1913 Suppl. +PJC ]

‖n. [ NL., fr. Gr. me`las, me`lanos, black + &unr_; to flow. ] (Bot.) An East Indian genus of large trees. Melanorrhœa usitatissima is the lignum-vitae of Pegu (in Burma), and yields a valuable black varnish. [ 1913 Webster ]

n. [ Gr. me`las, me`lanos, black + -scope. ] (Opt.) 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. [ 1913 Webster ]

‖[ NL., fr. Gr. &unr_; a growing black, fr. me`las, me`lanos, black. ] (Med.) The morbid deposition of black matter, often of a malignant character, causing pigmented tumors. [ 1913 Webster ]

n. [ Gr. me`las, me`lanos, black + spe`rma seed. ] (Bot.) 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. [1913 Webster]