Dictionary

teratology

noun ter·a·tol·o·gy \ˌter-ə-ˈtä-lə-jē\

Definition of TERATOLOGY

:  the study of malformations or serious deviations from the normal type in developing organisms
ter·a·tol·o·gist \-jist\ noun

First Known Use of TERATOLOGY

circa 1842

teratology

noun ter·a·tol·o·gy \ˌter-ə-ˈtäl-ə-jē\   (Medical Dictionary)
plural ter·a·tol·o·gies

Medical Definition of TERATOLOGY

:  the study of malformations or serious deviations from the normal type in organisms

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