Diazo-
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}. [1913 Webster]

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. [1913 Webster]

{Diazo reactions} (Chem.), a series of reactions whereby diazo compounds are employed in substitution. These reactions are of great importance in organic chemistry. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Diazo — Le groupe diazo est la caractéristique d une famille de composés organiques ayant pour formule générale R2C=N2, symbolisé par N2+ et découvert par P.Griess en 1858. L exemple le plus simple de diazo est le diazométhane CH2N2 La structure… …   Wikipédia en Français

  • diazo — diàzo prid. <indekl.> DEFINICIJA kem. koji sadrži diazo grupu (R2C = N2) SINTAGMA diazo kopiranje izrada kopija s prozirnih originala; diazo proces metoda tiskanja na papiru tretiranom s diazo spojevima koji se dezintegriraju pri… …   Hrvatski jezični portal

  • diazo- — statusas T sritis chemija apibrėžtis Grupė. formulė N₂= atitikmenys: angl. diazo rus. диазо …   Chemijos terminų aiškinamasis žodynas

  • diazo- — [dī az′, dīāz′dī az′ō, dīā′zō] combining form diazo: also, before a vowel, prefix combining form diaz [dī az′, dīāz′] …   English World dictionary

  • diazo — ● diazo nom masculin Abréviation de diazoïque ou de cation diazonium …   Encyclopédie Universelle

  • diazo — DIÁZO s. n. grupare de doi atomi de azot, cu legături duble sau triple. (< di1 + azo/t/) Trimis de raduborza, 15.09.2007. Sursa: MDN …   Dicționar Român

  • diazo — [dī az′ō, dīā′zō] adj. [ DI 1 + AZO] having a group of two nitrogen atoms combined directly with one organic radical …   English World dictionary

  • Diazo — For a discussion of copiers using the diazo process, see Whiteprint. Diazo refers to a type of organic compound called diazo compound that has two linked nitrogen atoms (azo) as a terminal functional group. The general formula is R2C=N2. The… …   Wikipedia

  • diazo — adjective Etymology: International Scientific Vocabulary diaz , diazo , from di + az Date: 1878 1. a. relating to or containing the group N2 composed of two nitrogen atoms united to a single carbon atom of an organic radical often used in… …   New Collegiate Dictionary

  • diazo — /duy az oh, ay zoh/, adj. Chem. containing the diazo group. [1855 60; independent use of DIAZO ] * * * …   Universalium

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