melanomata

melanoma

[mel-uh-noh-muh]
noun, plural melanomas, melanomata [mel-uh-noh-muh-tuh] . Pathology.
any of several types of skin tumors characterized by the malignant growth of melanocytes.

Origin:
1825–35; melan- + -oma

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World English Dictionary
melanoma (ˌmɛləˈnəʊmə)
 
n , pl -mas, -mata
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 10th Edition
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Etymonline
Word Origin & History

melanoma
1843, "tumor containing melanin," Mod.L., from Gk. melas (gen. melanos) "black" + -oma.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

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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American Heritage
Science Dictionary
melanoma   (měl'ə-nō'mə)  Pronunciation Key 
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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American Heritage
Cultural Dictionary
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 American Heritage® 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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