from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun Any of three isomeric compounds, C6H4(NO2)2, made from a mixture of nitric acid, sulfuric acid, and heated benzene and used in celluloid manufacture, in dyes, and in organic synthesis.
from The Century Dictionary.
- noun A compound, C6H4 (NO2)2, derived from benzene by the substitution of two nitro-groups for two hydrogen atoms.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun organic chemistry Any of three
isomeric aromatic nitrocompounds C6H4(NO2)2 formed by the nitrationof benzene; they are used in the manufacture of dyesetc
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