Definition of semidine
: any of a group of bases that are ortho and para amino derivatives of diphenylamine and are usually formed by a molecular rearrangement of hydrazo compounds (as p -RC6H4NHNHC6H5→ p,p′-RC6H4NHC6H4NH2)
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Origin and Etymology of semidine
International Scientific Vocabulary semi- + benzidine
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