melanoma

play
noun mel·a·no·ma \ˌme-lə-ˈnō-mə\

Definition of melanoma

plural

melanomas

also

melanomata

play \-mə-tə\
  1. 1 :  a tumor containing dark pigment

  2. 2 :  a highly malignant tumor that starts in melanocytes of normal skin or moles and metastasizes rapidly and widely

Recent Examples of melanoma from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'melanoma'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of melanoma

New Latin


First Known Use: 1838


MELANOMA Defined for English Language Learners

melanoma

play
noun

Definition of melanoma for English Language Learners

  • medical : a type of cancer or tumor that begins as a dark spot or area on the skin


Medical Dictionary

melanoma

play
noun mel·a·no·ma \ˌmel-ə-ˈnō-mə\

Medical Definition of melanoma

plural

melanomas

also

melanomata

\-mət-ə\play
  1. 1:  a benign or malignant skin tumor containing dark pigment

  2. 2:  a tumor of high malignancy that starts in melanocytes of normal skin or moles and metastasizes rapidly and widely—called also malignant melanoma, melanocarcinoma, melanoepithelioma, melanosarcoma



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