azo group

azo group
noun
the bivalent group -N=N- united to two hydrocarbon groups
Syn: ↑azo radical
Hypernyms: ↑group, ↑radical, ↑chemical group

* * *

Chem.
the bivalent group -N=N- united to two aromatic groups, as in azobenzene. Also called azo radical.
[1890-95]

Useful english dictionary. 2012.

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  • azo group — Chem. the bivalent group N=N united to two aromatic groups, as in azobenzene. Also called azo radical. [1890 95] * * * …   Universalium

  • azo group — a bivalent chemical group composed of two nitrogen atoms, N N …   Medical dictionary

  • Azo compound — General chemical formula of azo compounds Azo compounds are compounds bearing the functional group R N=N R , in which R and R can be either aryl or alkyl. IUPAC defines azo compounds as: Derivatives of diazene (diimide), HN=NH, wherein both… …   Wikipedia

  • azo compound — ▪ chemical compound       any organic chemical compound in which the azo group (−N=N−) is part of the molecular structure. The atomic groups attached to the nitrogen atoms may be of any organic class, but the commercially important azo compounds …   Universalium

  • azo dye — Chem. any of a large class of dyes containing one or more azo groups. [1880 85] * * * Any of a large class of synthetic organic compounds, dyes containing two nitrogen atoms joined by a double bond (see bonding, covalent bond) in the form ―N=N―… …   Universalium

  • azo — adjective relating to or containing the azo radical • Pertains to noun: ↑azo group * * * ˈa(ˌ)zō adjective Etymology: az : relating to or containing the group −N . N− united at both ends to carbon usually in two univalent organic radicals,… …   Useful english dictionary

  • azo radical — noun the bivalent group N=N united to two hydrocarbon groups • Syn: ↑azo group • Hypernyms: ↑group, ↑radical, ↑chemical group …   Useful english dictionary

  • azo — /az oh, ay zoh/, adj. Chem. containing the azo group. [1875 80; independent use of AZO ] * * * …   Universalium

  • azo- — a combining form used in the formation of compound words, esp. names of chemical compounds containing nitrogen or the azo group: azobenzene. Also, esp. before a vowel, az . [ < Gk ázo(os) without life, equiv. to a A 6 + zo ZO ] * * * …   Universalium

  • azo dye — /ˌæzoʊ ˈdaɪ/ (say .azoh duy) noun any of a large group of synthetic colouring substances which contain an azo group …  

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