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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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n. - Any agent that interferes with normal embryonic development: alcohol or thalidomide or X-rays or rubella are examples.

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Usage examples (35)
  • Firstly, the definition of the word, 'teratogen' is thus:
  • “Potassium iodide is a possible teratogen (causing fetal goiter).”
  • Isooctylphenyl ether is a teratogen, causing abnormal prenatal development.
  • Aspartame is an abortifacient and teratogen causing birth defects and mental retardation without a warning.
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We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.