[ dahy-nahy-truh-ben-zeen, -ben-zeen ]
/ daɪˌnaɪ trəˈbɛn zin, -bɛnˈzin /

noun Chemistry.

any of three isomeric benzene derivatives having the formula C6H4NO2, made by nitration of benzene or nitrobenzene, the most important of which is the meta form: used chiefly in the manufacture of dyes.

Nearby words

  1. dining,
  2. dining car,
  3. dining hall,
  4. dining room,
  5. dining table,
  6. dinitrogen tetroxide,
  7. dinitrophenol,
  8. dinitrophenylhydrazine test,
  9. dink,
  10. dinka

Origin of dinitrobenzene

First recorded in 1870–75; di-1 + nitrobenzene

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for dinitrobenzene


/ (daɪˌnaɪtrəʊˈbɛnziːn, -bɛnˈziːn) /


a yellow crystalline compound existing in three isomeric forms, obtained by reaction of benzene with nitric and sulphuric acids. The meta- form is used in the manufacture of dyes and plastics. Formula: C 6 H 4 (N0 2) 2
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for dinitrobenzene


[ dī-nī′trō-bĕnzēn′ ]

Any of three isomeric compounds made from a mixture of nitric acid, sulfuric acid, and heated benzene. Dinitrobenzenes are used in dyes, in synthesizing organic compounds, and in making celluloid. Chemical formula: C6H4N2O4.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.