Teratogen Definition
 tə-rătə-jən, tĕrə-tə- 
    noun
  
 An agent, as a chemical or disease, that causes malformation of a fetus.
 Webster's New World 
Other Word Forms of Teratogen
Noun
Singular:
 teratogenPlural:
 teratogensOrigin of Teratogen
- From terato- +"Ž -gen - From Wiktionary 
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