American Heritage® Dictionary of the English Language, Fourth Edition
- n. An agent, such as a virus, a drug, or radiation, that causes malformation of an embryo or fetus.
- n. any agent that interferes with normal embryonic development: alcohol or thalidomide or X-rays or rubella are examples
- From terato- + -gen (Wiktionary)
“Firstly, the definition of the word, 'teratogen' is thus:”
““Potassium iodide is a possible teratogen (causing fetal goiter).””
“Regulatory agencies around the world have concluded that glyphosate is not a reproductive toxin or teratogen cause of birth defects based on in-depth review of the comprehensive data sets available.”
“The name for these substances, I now know, is teratogen: an agent that causes malformation of the developing embryo or fetus.”
““She told me of a campaign she participated in a few years ago to try to stop the government and transnational timber corporations from spraying Agent Orange, a potent defoliant and teratogen, in the forests of Oregon,” Jensen writes.”
“It has been recognized by the World Health Organization as a carcinogen (causes cancer) and by the American Academy of Medicine as a teratogen (causes birth defects).”
“Aspartame is an abortifacient and teratogen causing birth defects and mental retardation without a warning.”
“From 1957 to 1961, pregnant women were prescribed thalidomide for nausea; thalidomide was banned after being proven to be a teratogen (an agent or influence known to cause severe malformities in the developing embryo).”
“It's an abortifacient and teratogen (causes birth defects); millions of babies have been murdered in their mother's wombs by this poison.”
“They had the dead wildlife tested - and found extraordinary levels of selenium, a salt (remember the inland sea) that, when concentrated, is a teratogen (from the Greek for monster), the cause of birth defects.”
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