Main Entry: tha·lid·o·mide

Pronunciation: \thə-ˈli-də-ˌmīd, -məd\

Function: noun

Etymology: phthalic acid + -id- (from imide) + -o- + imide

Date: 1958

: a drug C₁₃H₁₀N₂O₄ that was formerly used as a sedative and is now used as an immunomodulatory agent especially in the treatment of leprosy and that is known to cause malformations of infants born to mothers using it during pregnancy