N-ni·tro·so·di·meth·yl·a·mine 
(ĕnnī-trō′sō-dī-mĕthə-lə-mēn′, -ə-lăm′ĭn, -nī′trō-, )
(ĕnnī-trō′sō-dī-mĕthə-lə-mēn′, -ə-lăm′ĭn, -nī′trō-, )n.
See NDMA.
[N-, prefix indicating that a functional group has been substituted for a hydrogen atom on the nitrogen atom in an amide + NITROSODIMETHYLAMINE.]