Added 12 October 2026 xanthoma /zænˈθoʊmə/ noun Categories: Describing WordsRare Words noun ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about xanthoma at Wordnik → Where our words come from → A small, yellow nodule, rich in cholesterol and other lipids, that occurs in the skin, often near a joint Related Words: verruciformxanthomatosisxanthelasmoideaxanthemiaxanthelasmaxanthochroiaxanthogranulomapseudoxanthomaxanthosisxanthomyelomaxanthodermaxanthopsydracia Back to today's word