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Definition of melanoma noun from the Oxford Advanced Learner's Dictionary

melanoma

noun
 
/ˌmeləˈnəʊmə/
 
/ˌmeləˈnəʊmə/
[countable, uncountable] (medical)
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  1. a type of cancer that appears as a dark spot or tumour on the skin
    Word Originmid 19th cent.: from Greek melas, melan- ‘black’ + -oma.
See melanoma in the Oxford Advanced American Dictionary
trait
noun
 
 
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