Main Entry: ath·er·o·ma

Pronunciation: \ˌa-thə-ˈrō-mə\

Function: noun

Inflected Form(s): plural ath·er·o·mas also ath·er·o·ma·ta \-mə-tə\

Etymology: New Latin atheromat-, atheroma, from Latin, a tumor containing matter resembling gruel, from Greek athērōma, from athēra gruel

Date: 1875

1 : fatty degeneration of the inner coat of the arteries
2 : an abnormal fatty deposit in an artery

— ath·er·o·ma·tous \-ˈrō-mə-təs\ adjective