| ̷ ̷ ̷ ̷|nī.ˌtrōl noun
( -s )
Etymology: German pseudonitrole, from pseud- + nitr- + -ole
: any of a class of compounds of the general formula RR′C(NO)NO 2 formed by the action of nitrous acid on a disubstituted nitromethane RR′CHNO 2 as pungent-odored, colorless, solid dimers that when fused or dissolved depolymerize into the monomers of intense and characteristic blue color — compare nitrolic acid