| ̷ ̷ ̷ ̷ at nitro- + noun
: either of two liquid nitroparaffins C 3 H 7 NO 2 made usually by hot vapor-phase nitration of propane and used chiefly as industrial solvents and in chemical synthesis:
a. : the primary derivative CH 3 CH 2 CH 2 NO 2 — called also 1-nitropropane
b. : the secondary derivative CH 3 CH(NO 2 )CH 3 — called also 2-nitropropane