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[ter-uh-toh-muh] /ˌtɛr əˈtoʊ mə/
noun, plural teratomas, teratomata
[ter-uh-toh-muh-tuh] /ˌtɛr əˈtoʊ mə tə/ (Show IPA).
a tumor made up of different types of tissue.
Origin of teratoma
First recorded in 1885-90; terat- + -oma Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for teratoma


noun (pl) -mata (-mətə), -mas
a tumour or group of tumours composed of tissue foreign to the site of growth
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
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teratoma in Medicine

teratoma ter·a·to·ma (těr'ə-tō'mə)
n. pl. ter·a·to·mas or ter·a·to·ma·ta (-mə-tə)
A tumor consisting of different types of tissue, as of skin, hair, and muscle, caused by the development of independent germ cells. Also called teratoblastoma, teratoid tumor.

ter'a·to'ma·tous (-tō'mə-təs) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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