Japanese

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For pronunciation and definitions of きけいがく – see the following entry.
奇形学
[noun] (medicine) teratology - The study of teratogenesis, congenital malformations or grossly deformed individuals
[noun] (toxicology) teratology - The study of the mechanisms, teratogenic agents, or teratogens, in bringing about malformations
(This term, きけいがく (kikeigaku), is the hiragana spelling of the above term.)