kieselguhr
硅藻石; 硅藻土
矽藻石; 矽藻土
kieselguhr n 1 :
a light soil consisting of siliceous diatom remains and often used as a filtering material [
synonym : {
diatomaceous earth }, {
diatomite }, {
kieselguhr }]
Infusorial \
In `
fu *
so "
ri *
al \,
a . (
Zool .)
Belonging to the Infusoria ;
composed of ,
or containing ,
Infusoria ;
as ,
infusorial earth .
[
1913 Webster ]
{
Infusorial earth } (
Geol .),
a deposit of fine ,
usually white ,
siliceous material ,
composed mainly of the shells of the microscopic plants called diatoms ;
also called {
diatomaceous earth }, {
kieselguhr },
and {
diatomite }.
It is used in polishing powder ,
and in the manufacture of dynamite .
[
1913 Webster PJC ]
Kieselguhr \
Kie "
sel *
guhr `\,
n . [
G .,
fr .
kiesel flint guhr an earthy deposit or sediment in water .]
Siliceous earth ;
diatomaceous earth ;
specifically ,
porous infusorial earth ,
used as an absorbent of nitroglycerin in the manufacture of dynamite .
[
1913 Webster ]
diatomaceous earth \
di `
a *
to *
ma "
ceous earth `\ (
Geol .),
a deposit of fine ,
usually white ,
siliceous material ,
composed mainly of the shells of the microscopic plants called diatoms ;
also called {
infusorial earth }, {
kieselguhr },
and {
diatomite }.
It is used in polishing powder ,
and in the manufacture of dynamite .
[
1913 Webster PJC ]
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