单词 | melanoma |
释义 | melanoma[ mel-uh-noh-muh ] / ˌmɛl əˈnoʊ mə / noun, plural mel·a·no·mas, mel·a·no·ma·ta [mel-uh-noh-muh-tuh]. /ˌmɛl əˈnoʊ mə tə/.any of several types of skin tumors characterized by the malignant growth of melanocytes. Origin of melanomaFirst recorded in 1825–35; melan- + -oma Words nearby melanomamelanogenesis, melanoglossia, melanoid, melanoleukoderma, melanoleukoderma colli, melanoma, melanomatosis, melanonychia, melanophage, melanophore, melanoplakia Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for melanomaBritish Dictionary definitions for melanomamelanoma / (ˌmɛləˈnəʊmə) / noun plural -mas or -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 Cultural definitions for melanomamelanoma [ (mel-uh-noh-muh) ] A serious, often lethal, form of skin cancer. notes for melanomaExposure 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 Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. Medical definitions for melanomamelanoma [ mĕl′ə-nō′mə ] n. pl. mel•a•no•masA dark-pigmented, malignant, frequently widely metastasizing tumor arising from a melanocyte and occurring most commonly in the skin.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. Scientific definitions for melanomamelanoma [ mĕl′ə-nō′mə ] Plural melanomas melanomata (mĕl′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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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