exosmose
外渗
外渗
osmosis \
os *
mo "
sis \ ([
o ^]
z *
m [=
o ]"
s [
i ^]
s ),
n . [
NL .,
fr .
Gr .
'
wsmo `
s ,
equiv .
to '
w ^
sis impulse ,
fr . '
wqei ^
n to push .]
(
Chemical Physics )
(
a )
The tendency in fluids to mix ,
or become equably diffused ,
when in contact .
It was first observed between fluids of differing densities ,
and as taking place through a membrane or an intervening porous structure .
An older term for the phenomenon was {
Osmose }.
Note :
The more rapid flow from the thinner to the thicker fluid was then called {
endosmosis } (
formerly {
endosmose }),
and the opposite ,
slower current ,
{
exosmosis } (
formerly {
exosmose }).
Both are ,
however ,
results of the same force .
Osmosis may be regarded as a form of molecular attraction ,
allied to that of adhesion .
See also {
osmotic pressure }.
(
b )
The action produced by this tendency .
[
1913 Webster ]
Exosmose \
Ex "
os *
mose `\,
n . [
Exo osmose :
cf .
F .
ezosmose .]
(
Physics )
The passage of gases ,
vapors ,
or liquids through membranes or porous media from within outward ,
in the phenomena of osmose ;
--
opposed to {
endosmose }.
See {
Osmose }.
[
1913 Webster ]
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