teratoma

[ter-uh-toh-muh]

ter·a·to·ma

[ter-uh-toh-muh]
noun, plural, ter·a·to·mas, ter·a·to·ma·ta [-muh-tuh] . Pathology.
a tumor made up of different types of tissue.

Origin:
1885–90; terat- + -oma
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Teratoma is always a great word to know.
So is ninnyhammer. Does it mean:
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
a fool or simpleton; ninny.
Collins
World English Dictionary
teratoma (ˌtɛrəˈtəʊmə)
 
n , pl -mata, -mas
a tumour or group of tumours composed of tissue foreign to the site of growth

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Medical Dictionary

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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