Douglas Harper's Etymology Dictionary
"causing the formation of monsters," 1873, from teratogeny + -ic; probably based on German teratogenic (by 1856).
Wiktionary
a. 1 (context teratology English) Of, relating to, malformations or defects to an embryo or foetus. 2 (context teratology English) Causing malformations or defects to an embryo or foetus. n. A teratogenic agent.
WordNet
adj. of or relating to substances or agents that can interfere with normal embryonic development
Usage examples of "teratogenic".
Well, there was a teratogenic drug in the bottle of dog shampoo that Ginnie had.
Concavity has apparently produced teratogenic clouds, carnivorous flora, and feral hamsters.
The fetal damage he described was teratogenic, not genetic, if I understand him correctly.
Maybe in the end all they would find out was that these people had discovered some naturally-occurring stimulator like the one that Haddon had already synthesized, but with particularly undesirable hallucinatory and teratogenic side-effectsproducing fantasies and monsters instead of more efficient thought.
My last encounter with a military poison did teratogenic damage, not genetic.
But my physical disabilities are entirely teratogenic, damage done by a poison I encountered pre-natally.
Move south, calmly and in all haste, toward some border metropolis Rome NNY or Glens Falls NNY or Beverly MA, say, or those bordered points between them at which the giant protective ATHSCME fans atop the hugely convex protective walls of anodized Lucite hold off the drooling and piss-colored bank of teratogenic Concavity clouds and move the bank well back, north, away, jaggedly, over your protected head.