diazo
(adjective) relating to or containing diazonium
Source: WordNet® 3.1
diazo (not comparable)
(organic chemistry) Containing a pair of double bonded nitrogen atoms, typically directly attached to an aryl group.
diazo (plural diazos)
(chemistry) Any compound of this type.
• azido, azido-
Source: Wiktionary
Di*az"o- (. Etym: [Pref. di- + azo-] (Chem.)
Definition: 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.
Note: 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.
Source: Webster’s Unabridged Dictionary 1913 Edition
23 November 2024
(adjective) concerned primarily with theories or hypotheses rather than practical considerations; “theoretical science”
Decaffeinated coffee is not caffeine-free. Studies from the National Institute of Health (US) have shown that virtually all decaf coffee types contain caffeine. A 236-ml (8-oz) cup of decaf coffee contains up to 7 mg of caffeine, whereas a regular cup provided 70-140 mg.
