| TERATOGEN | • teratogen n. (Teratology) Any agent or substance which can cause malformation of an embryo or birth defects. • TERATOGEN n. an agent that raises the incidence of congenital malformation. | 
| TERATOGENS | • teratogens n. Plural of teratogen. • TERATOGEN n. an agent that raises the incidence of congenital malformation. | 
| TERATOGENY | • teratogeny n. (Teratology) teratogenesis. • TERATOGENY n. the formation of monsters. | 
| TERATOGENIC | • teratogenic adj. (Teratology) Of, relating to, malformations or defects to an embryo or fetus. • teratogenic adj. (Teratology) Causing malformations or defects to an embryo or fetus. • teratogenic n. A teratogenic agent. | 
| KERATOGENOUS | • keratogenous adj. That produces horny tissue. • KERATOGENOUS adj. producing horn or keratin. | 
| TERATOGENIES | • TERATOGENY n. the formation of monsters. | 
| TERATOGENESES | • teratogeneses n. Plural of teratogenesis. • TERATOGENESIS n. the production of developmental malformations. | 
| TERATOGENESIS | • teratogenesis n. (Teratology) The development of congenital malformations. • TERATOGENESIS n. the production of developmental malformations. | 
| TERATOGENICIST | • TERATOGENICIST n. one who studies teratogens. | 
| TERATOGENICITY | • teratogenicity n. (Teratology) The capability to cause malformations or defects to an embryo or foetus. • TERATOGENICITY n. the state of being teratogenic. | 
| TERATOGENICISTS | • TERATOGENICIST n. one who studies teratogens. |