ethanol 音標拼音: ['ɛθən
, ɔl]
n . 乙醇,酒精
乙醇,酒精
ethanol n 1 :
the intoxicating agent in fermented and distilled liquors ;
used pure or denatured as a solvent or in medicines and colognes and cleaning solutions and rocket fuel ;
proposed as a renewable clean -
burning additive to gasoline [
synonym :
{
ethyl alcohol }, {
ethanol }, {
fermentation alcohol }, {
grain alcohol }]
Alcohol \
Al "
co *
hol \ ([
a ^]
l "
k [-
o ]*
h [
o ^]
l ),
n . [
Cf .
F .
alcool ,
formerly written alcohol ,
Sp .
alcohol alcohol ,
antimony ,
galena ,
OSp .
alcofol ;
all fr .
Ar .
al -
kohl a powder of antimony or galena ,
to paint the eyebrows with .
The name was afterwards applied ,
on account of the fineness of this powder ,
to highly rectified spirits ,
a signification unknown in Arabia .
The Sp .
word has both meanings .
Cf . {
Alquifou }.]
1 .
An impalpable powder . [
Obs .]
[
1913 Webster ]
2 .
The fluid essence or pure spirit obtained by distillation .
[
Obs .] --
Boyle .
[
1913 Webster ]
3 .
Pure spirit of wine ;
pure or highly rectified spirit (
called also {
ethyl alcohol }
or {
ethanol }, {
CH3 .
CH2 .
OH });
the spirituous or intoxicating element of fermented or distilled liquors ,
or more loosely a liquid containing it in considerable quantity .
It is extracted by simple distillation from various vegetable juices and infusions of a saccharine nature ,
which have undergone vinous fermentation .
Note : [
The ferementation is usually carried out by addition of brewer '
s yeast , {
Saccharomyces cerevisiae }
to an aqueous solution containing carbohydrates .]
[
1913 Webster PJC ]
Note :
As used in the U .
S . "
Pharmacop [
oe ]
ia ,"
alcohol contains 91 per cent by weight of ethyl alcohol and 9 per cent of water ;
and diluted alcohol (
proof spirit )
contains 45 .
5 per cent by weight of ethyl alcohol and 54 .
5 per cent of water .
[
1913 Webster ]
4 . (
Organic Chem .)
A class of compounds analogous to vinic alcohol in constitution .
Chemically speaking ,
they are hydroxides of certain organic radicals ;
as ,
the radical ethyl forms common or {
ethyl alcohol } ({
C2H5 .
OH });
methyl forms {
methyl alcohol } ({
CH3 .
OH })
or {
wood alcohol };
amyl forms {
amyl alcohol } ({
C5H11 .
OH })
or {
fusel oil },
etc .
[
1913 Webster ]
ethanol \
eth "
an *
ol \ ([
e ^]
th "[
a ^]
n *[
add ]
l ),
n . (
Chem .)
The organic compound {
C2H5 .
OH },
the common {
alcohol }
which is the intoxicating agent in beer ,
wine ,
and other fermented and distilled liquors ;
called also {
ethyl alcohol }.
It is used pure or denatured as a solvent or in medicines and colognes and cleaning solutions ,
or mixed in gasoline as a fuel for automobiles ,
and as a rocket fuel (
as in the V -
2 rocket ).
Syn :
ethyl alcohol ,
fermentation alcohol ,
grain alcohol .
[
WordNet 1 .
5 ]
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