oxazolidinedione

== English == === Noun === oxazolidinedione (countable and uncountable, plural oxazolidinediones) (organic chemistry) A five-membered saturated heterocyclic ketone having one nitrogen atom, one oxygen atom and two carbonyl groups. Any of a class of anticonvulsants based upon this structure. === See also === paramethadione trimethadione ethadione