Definition of nitrotoluene in US English:

nitrotoluene

noun

Chemistry
  • Each of three isomeric derivatives of toluene, C₆H₄(NO₂)CH₃, obtained by replacing one of the ring hydrogen atoms with a nitro group, two of which (the ortho and para isomers) are used in the manufacture of dyes.

Origin

Late 19th century; earliest use found in Journal of the Chemical Society.