terato-


Also found in: Medical.

terato-

or terat-
pref.
1. Congenital malformation: teratogenic.
2. Malignancy: teratoma.

[Greek, from teras, terat-, portent, monster; see kwer- in Indo-European roots.]
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.
References in periodicals archive ?
From the time of its introduction, these products were known to have serious side effects like terato- genic potential, and pregnancies with the drug were strongly discouraged.
Not to exceed 12 mg/day Prophylactic Headache Agents First line * Asthenia, Hepatic failure May take up agents: dizziness, resulting in to 3 months somnolence, fatalities has to receive Divalproex tremor, occurred in the full sodium nausea, patients benefit from extended diplopia receiving any of the release 250 valproic acid prophylactic mg twice and its medications daily, derivatives Association increase by with terato- 250 mg/day genecity, every week to neural tube a maximum of effects.