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Meaning of dinitrobenzene

di•ni•tro•ben•zene

Pronunciation: (dī-nī"tru-ben'zēn, -ben-zēn'), [key]
— n.
  1. any of three isomeric benzene derivatives having the formula CHNO, made by nitration of benzene or nitrobenzene, the most important of which is the meta form: used chiefly in the manufacture of dyes.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.