oxazolidinedione

/OW0 K S AH0 Z AA1 L AY1 D AY1 N IY0 D IY0 OW1 N IY0/
noun
  1. 1

    Any of a class of anticonvulsants based upon this structure.

  2. 2

    (organic chemistry) A five-membered saturated heterocyclic ketone having one nitrogen atom, one oxygen atom and two carbonyl groups.