angioma

noun

an·​gi·​o·​ma ˌan-jē-ˈō-mə 

plural angiomas also angiomata ˌan-jē-ˈō-mə-tə 

: a tumor composed chiefly of blood vessels or lymph vessels

angiomatous

ˌan-jē-ˈō-mə-təs 

adjective

Examples of angioma in a Sentence

Recent Examples on the Web

Doctors diagnosed him with a cavernous angioma, a large lesion in his brain stem consisting of two components, one of which had ruptured and was bleeding into his brain. — Mary Ella Hastings updated July 16, Fort Worth Star-Telegram, 16 July 2026

Cherry angiomas are harmless, non-cancerous clusters of tiny blood vessels that appear as small, bright red spots on the skin. — Alex Vance, Parents, 29 Jan. 2026

Spider angiomas will often disappear and then come back when pressure is released. — Brittany Risher, SELF, 6 Dec. 2024

Many people with cavernous angiomas remain stable for years and are able to live normal lives. — WIRED, 20 Feb. 2023

In a nine-hour surgery the following month, doctors removed the angioma, resolving her stroke risk. — Karen Weintraub, USA TODAY, 20 Feb. 2023

Word History

Etymology

borrowed from German, earlier Angiom, from Greek angeîon "vessel, vessel or cavity of the body" + German -om, -oma -oma — more at angio-

First Known Use

1858, in the meaning defined above

Medical Definition

angioma

noun

an·​gi·​o·​ma ˌan-jē-ˈō-mə 

plural angiomas also angiomata -mət-ə 

: a tumor (as a hemangioma or lymphangioma) composed chiefly of blood vessels or lymphatic vessels

angiomatous

-mət-əs 

adjective