teratological


ter·a·tol·o·gy

T0112900 (tĕr′ə-tŏl′ə-jē)n. The biological study of birth defects.
ter′a·to·log′i·cal (-ə-tl-ŏj′ĭ-kəl) adj.ter′a·tol′o·gist n.