| MELACONITE | • melaconite n. (Mineralogy) An earthy black oxide of copper, arising from the decomposition of other ores. • MELACONITE n. an earthy black oxide of copper, arising from the decomposition of other ores. |
| MELALEUCAS | • melaleucas n. Plural of melaleuca. • MELALEUCA n. an Australian tree with a white trunk and black branches. |
| MELAMPODES | • MELAMPODE n. (Spenser) the black hellebore. |
| MELANAEMIA | • melanaemia n. (Medicine) A morbid condition in which the blood contains black pigment, either floating freely or embedded… • MELANAEMIA n. the presence of melanin in the blood. |
| MELANCHOLY | • melancholy n. (Historical) Black bile, formerly thought to be one of the four "cardinal humours" of animal bodies. • melancholy n. Great sadness or depression, especially of a thoughtful or introspective nature. • melancholy adj. (Literary) Affected with great sadness or depression. |
| MELANISING | • melanising v. Present participle of melanise. • MELANISE v. to make dark, also MELANIZE. |
| MELANISTIC | • melanistic adj. Of, pertaining to, or exhibiting melanism. • MELANISTIC adj. affected with melanism. |
| MELANIZING | • melanizing v. Present participle of melanize. • melanizing adj. That causes melanization. • MELANIZE v. to make dark, also MELANISE. |
| MELANOCYTE | • melanocyte n. (Medicine, biochemistry, cytology) A cell in the skin that produces the pigment melanin. • MELANOCYTE n. an epidermal cell that can produce melanism. |
| MELANOMATA | • melanomata n. Plural of melanoma. • MELANOMA n. a darkly pigmented tumor. |
| MELANOSITY | • melanosity n. The condition of being melanous; darkness of complexion. • MELANOSITY n. the state of being melanous, swarthy. |
| MELANOSOME | • melanosome n. (Biology) Any organelle that contains melanin. • MELANOSOME n. a melanin-producing granule in a melanocyte. |
| MELANURIAS | • melanurias n. Plural of melanuria. • MELANURIA n. the presence of a dark pigment in the urine. |
| MELAPHYRES | • melaphyres n. Plural of melaphyre. • MELAPHYRE n. any one of several dark-colored augitic, eruptive rocks allied to basalt. |
| MELASTOMES | • melastomes n. Plural of melastome. • MELASTOME n. a tropical flowering plant of the myrtle family. |
| MELATONINS | • melatonins n. Plural of melatonin. • MELATONIN n. a hormone secreted by the pineal gland during the hours of darkness. |