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
Acral melanoma, in particular, is a subset of melanoma that grows on the palms and soles.
—
Caroline C. Boyle, USA TODAY, 22 Feb. 2025
In 2022, Mellencamp revealed she'd been diagnosed with stage 2 melanoma and has had ongoing treatment to remove the skin cancer.
—Doha Madani, NBC News, 12 Feb. 2025
The charter captain and Below Deck Down Under star recently spoke to PEOPLE about being diagnosed with melanoma in December after noticing changes in a sunspot on his left side.
—Vanessa Etienne, People.com, 3 Feb. 2025
Vitale was diagnosed with melanoma in the summer of 2021, then diagnosed with lymphoma months later.
—Jackson Thompson, Fox News, 19 Jan. 2025
See All Example Sentences for melanoma
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Caroline C. Boyle, USA TODAY, 22 Feb. 2025
In 2022, Mellencamp revealed she'd been diagnosed with stage 2 melanoma and has had ongoing treatment to remove the skin cancer.
—Doha Madani, NBC News, 12 Feb. 2025
The charter captain and Below Deck Down Under star recently spoke to PEOPLE about being diagnosed with melanoma in December after noticing changes in a sunspot on his left side.
—Vanessa Etienne, People.com, 3 Feb. 2025
Vitale was diagnosed with melanoma in the summer of 2021, then diagnosed with lymphoma months later.
—Jackson Thompson, Fox News, 19 Jan. 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 19 Mar. 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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