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Related to diaz-: Bartholomew Diaz, Porfirio Diaz


1.(Chem.) A combining form (also used adjectively), meaning pertaining to, or derived from, a series of compounds containing a radical of two nitrogen atoms, united usually to an aromatic radical; as, diazo-benzene, C6H5.N2.OH.
Diazo reactions
(Chem.) a series of reactions whereby diazo compounds are employed in substitution. These reactions are of great importance in organic chemistry.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.