kaolin 音标拼音: [k'ɑʊlɪn] [k'eolɪn]
n . 高岭土;陶土
高岭土;陶土
kaolin n 1 :
a fine usually white clay formed by the weathering of aluminous minerals (
as feldspar );
used in ceramics and as an absorbent and as a filler (
e .
g .,
in paper ) [
synonym : {
china clay }, {
china stone }, {
kaolin }, {
kaoline }, {
porcelain clay }, {
terra alba }]
Kaolin \
Ka "
o *
lin \,
Kaoline \
Ka "
o *
line \,
n . [
Chin .
kao -
ling .]
(
Min .)
A very pure white clay ,
ordinarily in the form of an impalpable powder ,
and used to form the paste of porcelain ;
China clay ;
porcelain clay .
It is chiefly derived from the decomposition of common feldspar .
[
1913 Webster ]
Note :
The name is now applied to all porcelain clays which endure the fire without discoloration .
[
1913 Webster ]
Clay \
Clay \ (
kl [=
a ]),
n . [
AS .
cl [=
ae ]
g ;
akin to LG .
klei ,
D .
klei ,
and perh .
to AS .
cl [=
a ]
m clay ,
L .
glus ,
gluten glue ,
Gr .
gloio `
s glutinous substance ,
E .
glue .
Cf . {
Clog }.]
1 .
A soft earth ,
which is plastic ,
or may be molded with the hands ,
consisting of hydrous silicate of aluminium .
It is the result of the wearing down and decomposition ,
in part ,
of rocks containing aluminous minerals ,
as granite .
Lime ,
magnesia ,
oxide of iron ,
and other ingredients ,
are often present as impurities .
[
1913 Webster ]
2 . (
Poetry &
Script .)
Earth in general ,
as representing the elementary particles of the human body ;
hence ,
the human body as formed from such particles .
[
1913 Webster ]
I also am formed out of the clay . --
Job xxxiii .
6 .
[
1913 Webster ]
The earth is covered thick with other clay ,
Which her own clay shall cover . --
Byron .
[
1913 Webster ]
{
Bowlder clay }.
See under {
Bowlder }.
{
Brick clay },
the common clay ,
containing some iron ,
and therefore turning red when burned .
{
Clay cold },
cold as clay or earth ;
lifeless ;
inanimate .
{
Clay ironstone },
an ore of iron consisting of the oxide or carbonate of iron mixed with clay or sand .
{
Clay marl },
a whitish ,
smooth ,
chalky clay .
{
Clay mill },
a mill for mixing and tempering clay ;
a pug mill .
{
Clay pit },
a pit where clay is dug .
{
Clay slate } (
Min .),
argillaceous schist ;
argillite .
{
Fatty clays },
clays having a greasy feel ;
they are chemical compounds of water ,
silica ,
and aluminia ,
as {
halloysite },
{
bole },
etc .
{
Fire clay },
a variety of clay ,
entirely free from lime ,
iron ,
or an alkali ,
and therefore infusible ,
and used for fire brick .
{
Porcelain clay },
a very pure variety ,
formed directly from the decomposition of feldspar ,
and often called {
kaolin }.
{
Potter '
s clay },
a tolerably pure kind ,
free from iron .
[
1913 Webster ]
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