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
Once obese, the mice were implanted with tumor cells from a variety of cancers, including colon and melanoma.
—
New Atlas, 31 July 2025
Beyond melanoma, the ExoPatch gel coating could be adapted to detect exosmoses released by other cancers with a solid tumor like lung, breast, colon, prostate and brain cancer.
—Hannah Millington, MSNBC Newsweek, 29 July 2025
In one example, hospitals bought a drug commonly used to treat melanoma for an average of $8,000 but billed the state $21,512.
—Wayne Winegarden, Forbes.com, 22 July 2025
Scientists are working to harness the power of the herpesvirus responsible for cold sores in order to treat a deadly cancer: late-stage melanoma.
—Emily Kay Votruba, EverydayHealth.com, 18 July 2025
See All Example Sentences for melanoma
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New Atlas, 31 July 2025
Beyond melanoma, the ExoPatch gel coating could be adapted to detect exosmoses released by other cancers with a solid tumor like lung, breast, colon, prostate and brain cancer.
—Hannah Millington, MSNBC Newsweek, 29 July 2025
In one example, hospitals bought a drug commonly used to treat melanoma for an average of $8,000 but billed the state $21,512.
—Wayne Winegarden, Forbes.com, 22 July 2025
Scientists are working to harness the power of the herpesvirus responsible for cold sores in order to treat a deadly cancer: late-stage melanoma.
—Emily Kay Votruba, EverydayHealth.com, 18 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 6 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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