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Medical Dictionary


noun non·mel·a·no·ma \-ˌmel-ə-ˈnō-mə\

Medical Definition of nonmelanoma

  1. :  a tumor that is not a melanoma :  cancer that does not begin in melanocytes <Most skin cancers are nonmelanomas, which rarely spread to other parts of the body.—Jim Ritter, The Chicago Sun-Times, 1 Aug. 2005>—often used before another noun <The American Cancer Society says that each year more than 1 million new non-melanoma skin-cancer cases are reported …—Stacy Perman, Time, 12 July 2004>

Variants of nonmelanoma



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