D defs.my
Entry 1 sense Webster, 1913

Isatogen

· I·sat·o·gen · IPA
01 n. A complex nitrogenous radical, C8H4NO2, regarded as the essential residue of a series of compounds, related to isatin, which easily pass by…
  1. 1.
    A complex nitrogenous radical, C8H4NO2, regarded as the essential residue of a series of compounds, related to isatin, which easily pass by reduction to indigo blue.(Chem.)