(organic chemistry) The tricyclic heterocycle in which two benzene rings are fused to that of furan; any of its derivatives, especially the halogenated derivatives that are similar to dioxins
unaffordable
unaffordable
adj
Too expensive to be afforded.
undeferrable
undeferrable
adj
Not deferrable.
undeferrably
undeformable
undeformable
adj
(technical) Not capable of being deformed under the given conditions