Isonitroso-
Pronunciation : I`so*ni*tro"so-.
Etymology : [Iso- + nitroso-.] (Chem.)
Definition : Defn: A combining from (also used adjectively), signifying: Pertaining to, or designating, the characteristic, nitrogenous radical, NOH, called the isonitroso group.
Source : Webster's Unabridged Dictionary, 1913