Melanoma definition

mĕlə-nōmə
A dark-pigmented, usually malignant tumor arising from a melanocyte and occurring most commonly in the skin.
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A skin tumor, esp. a malignant one, derived from cells capable of melanin formation.
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A dark-pigmented, usually malignant tumor arising from a melanocyte and occurring most commonly in the skin.
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A dark-pigmented benign or malignant tumor that arises from a melanocyte and occurs most commonly in the skin. Malignant melanoma metastasizes quickly and is associated with sun exposure.
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(oncology, pathology) A dark-pigmented, usually malignant tumor arising from a melanocyte and occurring most commonly in the skin.
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Other Word Forms

Noun

Singular:
melanoma
Plural:
melanomas, melanomata

Origin of melanoma

  • Latin, from Ancient Greek μέλας (melas, “black, dark") and -oma (“disease, morbidity").

    From Wiktionary