(medicine) The study of congenital malformations, their development, and people with them. / (toxicology) The study of the mechanisms, teratogenic agents, or teratogens, in bringing about malformations.

(genetics) Dealing with the study of production, development, anatomy, and classification of monsters. / (teratology) Pertaining to deformity, either congenital or resulting from accident.

(teratology) Of or relating to teratology. / (teratology) Of abnormal growth or structure of a fetus or embryo.

(teratology) Of or relating to teratology. / (teratology) Of abnormal growth or structure of a fetus or embryo.

In a teratological manner or context.

plural of teratology