melanoma

noun

mel·​a·​no·​ma ˌme-lə-ˈnō-mə How to pronounce melanoma (audio)
plural melanomas also melanomata ˌme-lə-ˈnō-mə-tə How to pronounce melanoma (audio)
1
: a tumor containing dark pigment
2
: a highly malignant tumor that starts in melanocytes of normal skin or moles and metastasizes rapidly and widely

Examples of melanoma in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
These may be an early sign of skin cancer, including pigmented basal cell carcinoma and cutaneous melanoma. Catherine Moyer, Verywell Health, 22 May 2025 In Jimmy Carter's case, transparency about melanoma that had spread to his brain in 2015, as well as his fervent religious faith and subsequent recovery from the dreaded disease, only made the former president seem heroic. Barbara A. Perry, MSNBC Newsweek, 20 May 2025 Dermatologists say regular screening is important to help prevent and detect all types of melanoma and skin cancer. Cindy Krischer Goodman, Sun Sentinel, 16 May 2025 Researchers are working to enhance these treatments, including novel combination therapies for advanced melanoma and neuroendocrine cancers — conditions with surging diagnoses and high mortality rates. Sylvester Comprehensive Cancer Center, Miami Herald, 16 May 2025 See All Example Sentences for melanoma

Word History

Etymology

melan- (in melanosis, melanotic) + -oma

First Known Use

1838, in the meaning defined at sense 1

Time Traveler
The first known use of melanoma was in 1838

Browse Nearby Words

Cite this Entry

“Melanoma.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/melanoma. Accessed 28 May. 2025.

Kids Definition

melanoma

noun
mel·​a·​no·​ma ˌmel-ə-ˈnō-mə How to pronounce melanoma (audio)
plural melanomas also melanomata -mət-ə How to pronounce melanoma (audio)
: a usually malignant tumor containing dark pigment

Medical Definition

melanoma

noun
mel·​a·​no·​ma ˌmel-ə-ˈnō-mə How to pronounce melanoma (audio)
plural melanomas also melanomata -mət-ə How to pronounce melanoma (audio)
1
: a benign or malignant skin tumor containing dark pigment
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

Last Updated: - Updated example sentences
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