"study of marvels and monstrosities," 1842, from terato- + -logy. Earlier it meant "marvelous narrative" (1670s), from Greek teratologia "a telling of marvels." Related: Teratological; teratologist.
terabyte
terato-
teratogen
teratogenic
teratogeny
teratology
teratoscopy
terbium
tercel
tercentenary
terceroon
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