diazonium[dī′ə zō′nē əm]
designating or containing the organic radical N⋮N, which occurs in a series of aromatic compounds
Origin of diazoniumdiaz(o)- + (amm)onium
Any of various compounds, especially an aromatic hydrocarbon, containing the cation N2 attached to an organic group.
Origin of diazoniumdiaz(o) + (amm)onium.