acanthoma

noun
ac·​an·​tho·​ma | \ -ˈthō-mə How to pronounce acanthoma (audio) \
plural acanthomas also acanthomata\ -​mət-​ə How to pronounce acanthomata (audio) \

Medical Definition of acanthoma

: a tumor originating in the skin and developing through excessive growth of skin cells especially of the stratum spinosum

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