teratˈogen /-jen/ noun

An agent that raises the incidence of congenital malformation

teratogenˈesis noun

Abnormal growth, esp as a result of exposure of the fetus to a teratogen

teratogenˈic adjective

1. Producing monsters
2. Causing abnormal growth (in a fetus)

teratogˈeny /-tojˈi-ni/ noun

The production of monsters

teratologˈic or teratologˈical adjective

teratolˈogist noun

teratolˈogy noun

1. The study of biological malformations or abnormal growths
2. A collection of tales and myths about fantastic monsters