dinitrobenzene

[dahy-nahy-truh-ben-zeen, -ben-zeen]

di·ni·tro·ben·zene

[dahy-nahy-truh-ben-zeen, -ben-zeen]
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.

Origin:
1870–75; di-1 + nitrobenzene
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Dinitrobenzene is always a great word to know.
So is alkaline. Does it mean:
like or containing an alkali, which neutralize acids to form salts and turn red litmus paper blue, or having a pH value greater than 7
a vessel, commonly a glass bulb with a long neck bent downward, used for distilling or decomposing substances by heat
Collins
World English Dictionary
dinitrobenzene (daɪˌnaɪtrəʊˈbɛnziːn, -bɛnˈziːn)
 
n
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: C6H4(N02)2

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
dinitrobenzene   (dī-nī'trō-běn'zēn')  Pronunciation Key 
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 © 2002. Published by Houghton Mifflin. All rights reserved.
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