IPA: /ˌtɛrəˈtɒlədʒi/
KK: /tɛrəˈtɑlədʒi/
The scientific study that focuses on the causes and effects of physical abnormalities in developing organisms, especially in embryos.
Researchers in teratology investigate how certain drugs can lead to birth defects.
Teratology is formed from "teras" (Greek, meaning monster) and "-logia" (Greek, meaning study of). The word refers to the study of abnormalities or monsters in biological development.
Think of 'teras' meaning monster, and remember that teratology is the study of monsters or abnormalities in development.