a combining form meaning “monster,” used in the formation of compound words: teratology.

Nearby words

  1. teraph,
  2. teraphim,
  3. teras,
  4. terat-,
  5. teratism,
  6. teratoblastoma,
  7. teratocarcinoma,
  8. teratogen,
  9. teratogenesis,
  10. teratogenic

Also especially before a vowel, terat-.

Origin of terato-

< Greek terat- (stem of téras) monster, marvel + -o-

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for terato-




The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.