teratological

adjective ter·a·to·log·i·cal \ ˌter-ə-tə-ˈlä-ji-kəl \
variants: or teratologic play \ˌter-ə-tə-ˈlä-jik\

Definition of teratological

1 : abnormal in growth or structure
2 : of or relating to teratology

First Known Use of teratological

1857

in the meaning defined at sense 1

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Medical Dictionary

teratological

adjective ter·a·to·log·i·cal \ ˌter-ət-ᵊl-ˈäj-i-kəl \
variants: or teratologic play \-ik\

medical Definition of teratological

1 : abnormal in growth or structure
2 : of or relating to teratology

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