teratological

adjective

ter·​a·​to·​log·​i·​cal ˌter-ə-tə-ˈlä-ji-kəl 

variants or teratologic

ˌter-ə-tə-ˈlä-jik 

1

: abnormal in growth or structure

2

: of or relating to teratology

Word History

Etymology

teratolog(y) + -ical

First Known Use

1857, in the meaning defined at sense 1

Medical Definition

teratological

adjective

ter·​a·​to·​log·​i·​cal ˌter-ət-ᵊl-ˈäj-i-kəl 

variants or teratologic

-ik 

1

: abnormal in growth or structure

2

: of or relating to teratology