noun, plural en·do·the·li·o·mas, en·do·the·li·o·ma·ta [en-doh-thee-lee-oh-muh-tuh] /ˌɛn doʊˌθi liˈoʊ mə tə/. Pathology.

a tumor originating from the endothelium.

Origin of endothelioma

< German Endotheliom (1875); see endothelium, -oma
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for endothelioma

Historical Examples of endothelioma

  • The chief of these are: simple—dermoid patches, moles of the limbus; malignant—sarcoma, endothelioma, epithelioma.

  • Sarcoma and endothelioma are the commonest tumours of bone, and present wide variations in structure and in clinical features.

    Manual of Surgery

    Alexis Thomson and Alexander Miles

  • The majority would appear to be the result of changes in a sarcoma, endothelioma, or myeloma.

    Manual of Surgery

    Alexis Thomson and Alexander Miles

British Dictionary definitions for endothelioma


noun plural -mata (-mətə)

pathol a tumour originating in endothelial tissue, such as the lining of blood vessels
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

endothelioma in Medicine



n. pl. en•do•the•li•o•mas

Any of various benign or occasionally malignant neoplasms derived from the endothelial tissue of blood vessels or lymphatic channels.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.