melanoma
noun
mel·a·no·ma
ˌme-lə-ˈnō-mə 
plural melanomas also melanomata
ˌme-lə-ˈnō-mə-tə
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
Strauss uses the acronym ABCDE to differentiate between a normal mole and a melanoma.
—
Melissa Rudy, FOXNews.com, 12 Aug. 2025
But it’s since been learned that Clarkson, 43, took time off to care for her ex-husband, Brandon Blackstock, who was battling melanoma, and to help their children, 11 and 9, prepare for his death, according to Page Six.
—Martha Ross, Mercury News, 8 Aug. 2025
Each sunburn damages and ages the skin and increases the risk of rashes, hyperpigmentation, and melanoma and other skin cancers.12 To prevent sunburn:
Sunburn is caused by excessive exposure to sunlight or other UV sources, such as tanning beds.
—Lana Barhum, Verywell Health, 5 Aug. 2025
Mellencamp was diagnosed with stage 2 melanoma in 2022, which kicked off three grueling years of testing and treatment as the disease spread through her system.
—Ryan Coleman, EW.com, 9 July 2025
See All Example Sentences for melanoma
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Melissa Rudy, FOXNews.com, 12 Aug. 2025
But it’s since been learned that Clarkson, 43, took time off to care for her ex-husband, Brandon Blackstock, who was battling melanoma, and to help their children, 11 and 9, prepare for his death, according to Page Six.
—Martha Ross, Mercury News, 8 Aug. 2025
Each sunburn damages and ages the skin and increases the risk of rashes, hyperpigmentation, and melanoma and other skin cancers.12 To prevent sunburn:
Sunburn is caused by excessive exposure to sunlight or other UV sources, such as tanning beds.
—Lana Barhum, Verywell Health, 5 Aug. 2025
Mellencamp was diagnosed with stage 2 melanoma in 2022, which kicked off three grueling years of testing and treatment as the disease spread through her system.
—Ryan Coleman, EW.com, 9 July 2025
See All Example Sentences for melanoma
Cite this Entry
“Melanoma.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/melanoma. Accessed 21 Aug. 2025.
Copy CitationKids Definition
melanoma
noun
mel·a·no·ma
ˌmel-ə-ˈnō-mə
plural melanomas also melanomata
-mət-ə
: a usually malignant tumor containing dark pigment
Medical Definition
melanoma
noun
mel·a·no·ma
ˌmel-ə-ˈnō-mə
plural melanomas also melanomata
-mət-ə
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
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