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[mel-uh-noh-muh] /ˌmɛl əˈnoʊ mə/
noun, plural melanomas, melanomata
[mel-uh-noh-muh-tuh] /ˌmɛl əˈnoʊ mə tə/ (Show IPA).
any of several types of skin tumors characterized by the malignant growth of melanocytes.
Origin of melanoma
First recorded in 1825-35; melan- + -oma Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for melanoma


noun (pl) -mas, -mata (-mətə)
(pathol) a malignant tumour composed of melanocytes, occurring esp in the skin, often as a result of excessive exposure to sunlight
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for melanoma

"tumor containing melanin," 1826, medical Latin, from Greek melas (genitive melanos) "black" (see melanin) + -oma.

Online Etymology Dictionary, © 2010 Douglas Harper
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melanoma in Medicine

melanoma mel·a·no·ma (měl'ə-nō'mə)
n. pl. mel·a·no·mas or mel·a·no·ma·ta (-mə-tə)
A dark-pigmented, malignant, frequently widely metastasizing tumor arising from a melanocyte and occurring most commonly in the skin. Also called malignant melanoma, melanoblastoma, melanocarcinoma, melanotic carcinoma.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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melanoma in Science
Plural melanomas or melanomata (měl'ə-nō'mə-tə)
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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melanoma in Culture
melanoma [(mel-uh-noh-muh)]

A serious, often lethal, form of skin cancer.

Note: Exposure to ultraviolet radiation from the sun (for example, by too much sunbathing) can cause this disease.
The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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