(|)trī|nī.trō+ noun
Etymology: International Scientific Vocabulary trinitr- + benzene
: a light yellow crystalline compound C 6 H 3 (NO 2 ) 3 that is a more powerful yet more stable explosive than trinitrotoluene but is little used because of the difficulties of its preparation usually indirectly from toluene — called also TNB, 1,3,5-trinitrobenzene