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词汇 azo-
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azo- az-
pref.(前缀)
  1. Containing a nitrogen group, especially one attached at both ends in a covalent bond to other groups:
    含氮的:包含一个氮基,尤其是每一组都由共价粘合物和其它组首尾相连:
    azole.
    氮杂茂

语源
  1. From French azote [nitrogen]
    源自 法语 azote [氮]
  2. Greek a- [not] * see a- 1
    希腊语 a- [没有,不是] *参见 a-1
  3. Greek zōē [life (from the fact that nitrogen does not support respiration)] * see g wei-
    希腊语 zōē [生物(由氮不能经受氧化的事实而来)] *参见 g wei-
azo- or (before a vowel) az-

combining form

indicating the presence of an azo group
azobenzene

Origin

from French azote nitrogen, from Greek azōos lifeless, from a-1 + zōē life

azo-

Word Origin
1
a combining form used in the formation of compound words, especially names of chemical compounds containing nitrogen or the azo group:
azobenzene.
Also, especially before a vowel, az-.
Origin
< Greek ázō(os) without life, equivalent to a- a-6 + zō- zo-

Related Words

  • azobenzene
  • azoic
  • azoimide
  • azophenylene
  • diazo-
  • phenazopyridine
azo-a prefix indicating the presence of an azo group: azobenzene.
azo-
combining form
see az-
azo-
/ˈeɪzəʊ/  
prefix
Chemistry containing two adjacent nitrogen atoms between carbon atoms
【化】表示“含偶氮基的”:

azobenzene.

词源
from obsolete azote 'nitrogen', from French, from Greek a- 'without' + zōē 'life'.
azo- Chem.|ˈæzəʊ-|Short combining form of azote, nitrogen. Used to form the names of:1. gen. Compounds containing nitrogen, as azoˈhumic, nitrogenized humic (acid); azoˈlitmin, the principal colouring matter of litmus; azoˈleic, an acid formed by treating oleic with nitric acid.2. spec. Substitution compounds in which nitrogen takes the place of another element, as in the azoˈparaffins, formed from the paraffins by substitution of 1 atom of nitrogen for 3 of hydrogen: e.g. azo-methane = hydrogen cyanide, azo-ethane = methyl cyanide, azo-propane = ethyl cyanide, etc.3. a. more particularly. Compounds derived from the aromatic hydrocarbons, which contain nitrogen combined in a peculiar way, constituting the azo- and diazo- compounds, or azo- derivatives, e.g. azobenzene, azotoluene; diazo-amidobenzene, diazo-bromide; whence adjectives as azobenˈzoic, etc.1881Darwin Veg. Mould v. 242 Some of the acids, which were called long ago azohumic, are enabled to dissolve colloid silica in proportion to the nitrogen which they contain.1863Watts Dict. Chem. III. 731 Azolitmin is a red-brown amorphous powder.1880E. Cleminshaw Wurtz' Atom. The. 219 Those very remarkable organic combinations known as azo- and diazo-compounds.1880Friswell in Soc. Arts Jrnl. 445 Known as the azo-yellows, oranges, and scarlets.b. azo-colours, -dyes, a group of coal-tar colours or dyes.1879Witt in Jrnl. Chem. Soc. XXXV. 181 The variety of azo-colours in the market, and the number of patents..are constantly increasing.1884Ibid. XLVI. 237 The preparation of azo-dyes from the trisulphonic acids of β-naphthol.1894Gould Dict. Med., Azo-dyes, a well defined group of the coal-tar colors, all containing the diatomic group {b1}N {b2} N{b1}, bound on either side to a benzene radical.1902Encycl. Brit. XXVII. 559/1 Azo colours which are developed..upon the fibre itself (usually cotton) by the successive application of their constituent elements.1963R. R. A. Higham Handbk. Papermaking xii. 256 Azo colour pigments. Yellow, orange and red used in high-quality writings.
azo-
word-forming element denoting the presence of nitrogen, 1879, from comb. form of azote, the old term for "nitrogen" (from Greek a- "not, without" (see a-(3)) + zoion "a living being;" see zoo); coined in French by Lavoisier & de Morveau because living things cannot survive in the gas.
azo- /ˈeɪzəʊ/ combining form.
ORIGIN: from azote.
Chemistry. Indicating the presence of nitrogen in a compound, spec. as the group —N=N— joined to two carbon atoms. Freq. as attrib. adjective azo, as azo compound, azo group, etc.
 DERIVATIVE azoˈbenzene noun a synthetic crystalline compound, (C6H5)N=N(C6H5), used chiefly in dye manufacture L19.
azo colour, azo dye nouns any of a large class of dyestuffs which contain the azo group, made by coupling of diazonium compounds L19.
azoˈmethine noun any compound having the general formula R1R2C=NR3; a Schiff base: L19.
azoˈprotein noun (Biochemistry) a protein coupled to another molecule by an azo group E20.
azo
azo-
— see az-

azo-

Prefix

  1. chemistry containing nitrogen
  2. organic chemistry Having a bivalent azo group (-N=N-) as a substituent

Derived terms

English words prefixed with azo-
  • azobenzoic
  • azobisisobutylonitrile
  • azocarbaboranes
  • azocarbonitrile
  • azocoupling
  • azode
  • azodicarbonamide
  • azodicarboxamide
  • azodisulfonate
  • azo
  • azoethane
  • azoformaldoxime
  • azoformamide
  • azoformate
  • azohumic
  • azohydroperoxy
  • azoisibutyronitrile
  • azoisobutyronitrile
  • azoisovaleronitrile
  • azoleic
  • azolium
  • azoparaffin
  • azopropane
  • azoprotein
  • azotetrazolide
  • azotoluene
  • diazo-
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