plasma 音标拼音: [pl'æzmə]
n . 血浆;乳浆;原形质;深绿玉髓
血浆;乳浆;原形质;深绿玉髓
plasma 等离子体
plasma 电浆
plasma n 1 :
the colorless watery fluid of the blood and lymph that contains no cells ,
but in which the blood cells (
erythrocytes ,
leukocytes ,
and thrombocytes )
are suspended [
synonym : {
plasma }, {
plasm }, {
blood plasma }]
2 :
a green slightly translucent variety of chalcedony used as a gemstone 3 : (
physical chemistry )
a fourth state of matter distinct from solid or liquid or gas and present in stars and fusion reactors ;
a gas becomes a plasma when it is heated until the atoms lose all their electrons ,
leaving a highly electrified collection of nuclei and free electrons ; "
particles in space exist in the form of a plasma "
Plasma \
Plas "
ma \,
n . [
See {
Plasm }.]
1 . (
Min .)
A variety of quartz ,
of a color between grass green and leek green ,
which is found associated with common chalcedony .
It was much esteemed by the ancients for making engraved ornaments .
[
1913 Webster ]
2 . (
Biol .)
The viscous material of an animal or vegetable cell ,
out of which the various tissues are formed by a process of differentiation ;
protoplasm .
[
1913 Webster ]
3 .
Unorganized material ;
elementary matter .
[
1913 Webster ]
4 . (
Med .)
A mixture of starch and glycerin ,
used as a substitute for ointments . --
U .
S .
Disp .
[
1913 Webster ]
5 .
same as {
blood plasma }.
[
PJC ]
6 . (
physics )
a state of matter in which charged particles such as electrons and atomi nuclei have sufficiently high energy to move freely ,
rather than be bound in atoms as in ordinary matter ;
it has some of the properties of a gas ,
but is a conductor of electricity .
Note :
In a typical plasma ,
the number of positive and negative particles are approximately equal .
Plasmas are found naturally in the atmosphere of stars ,
and can be created in special laboratory apparatus .
[
PJC ]
{
Blood plasma } (
Physiol .),
the colorless fluid of the blood ,
in which the red and white blood corpuscles are suspended .
It may be obtained by centrifuation of blood to remove the blood cells .
It is distinguished from {
serum }
in that plasma still has the fibrin of blood ,
and may be clotted ,
while in serum the fibrin has been removed .
{
Muscle plasma } (
Physiol .),
the fundamental part of muscle fibers ,
a thick ,
viscid ,
albuminous fluid contained within the sarcolemma ,
which on the death of the muscle coagulates to a semisolid mass .
[
1913 Webster PJC ]
Plasmatic 52 Moby Thesaurus words for "
plasma ":
Rh factor ,
Rh -
negative ,
Rh -
positive ,
Rh -
type ,
Rhesus factor ,
antibody ,
antigen ,
arterial blood ,
blood ,
blood bank ,
blood cell ,
blood count ,
blood donor ,
blood donor center ,
blood group ,
blood grouping ,
blood picture ,
blood platelet ,
blood pressure ,
blood serum ,
blood substitute ,
bloodmobile ,
bloodstream ,
circulation ,
clinical dextran ,
dextran ,
erythrocyte ,
globulin ,
gore ,
grume ,
hematics ,
hematologist ,
hematology ,
hematoscope ,
hematoscopy ,
hemocyte ,
hemoglobin ,
hemometer ,
humor ,
ichor ,
isoantibody ,
leukocyte ,
lifeblood ,
neutrophil ,
opsonin ,
phagocyte ,
plasma substitute ,
red corpuscle ,
serum ,
type O ,
venous blood ,
white corpuscle
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Plasma (physics) - Wikipedia What Is Plasma in Blood? - Cleveland Clinic What Is Plasma in Blood and Why Should You Donate? Plasma | Physics, State of Matter, Facts | Britannica What to Know About Donating Plasma for Money - U. S. News Donate Plasma at a Grifols Plasma Donation Center Find a Plasma Donation Center Near You | CSL Plasma What is Plasma? How are Plasma Donations Used? | Octapharma Plasma Definition, Importance Types | Grifols