terato-
Also found in: Medical.
terato-
or terat-pref.
1. Congenital malformation: teratogenic.
2. Malignancy: teratoma.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
terato-
a combining form meaning “monster,” “malformation”: teratology.
[< Greek terat-, s. of téras monster, marvel + -o-]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.