Definify.com

Webster 1913 Edition


Diazo-

Di-az′o-

.
[Pref.
di-
+
azo-
]
(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 compounds are in general unstable, but are of great importance in recent organic chemistry. They are obtained by a partial reduction of the salts of certain amido compounds.
Diazo reactions
(Chem.)
,
a series of reactions whereby diazo compounds are employed in substitution. These reactions are of great importance in organic chemistry.