xanthoma
noun
xan·tho·ma
zan-ˈthō-mə 
plural xanthomas also xanthomata
-mət-ə
: a fatty irregular yellow patch or nodule containing lipid-filled foam cells that occurs on the skin (as of the eyelids, neck, or back) or in internal tissue and is associated especially with disturbances of lipid metabolism
Cite this Entry
“Xanthoma.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/xanthoma. Accessed 4 Nov. 2025.
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