adj. Dealing with the study of production, development, anatomy, and classification of monsters.
adj. Pertaining to deformity, either congenital or resulting from accident.
The Century Dictionary and Cyclopedia
Same as teratological.
Word Usage
"Classical writings, the literature of the Middle Ages, and the popular beliefs of the present day all contain views concerning teratologic subjects which so closely resemble those of the Chaldean magi as to be indistinguishable from them."