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Definitions for: Plasma
[n] colorless watery fluid of blood and lymph containing no cells and in which erythrocytes and leukocytes and platelets are suspended
[n] (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"
[n] a green slightly translucent variety of chalcedony used as a gemstone
Webster (1913) Definition: 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.
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.
3. Unorganized material; elementary matter.
4. (Med.) A mixture of starch and glycerin, used as a
substitute for ointments. --U. S. Disp.
Blood plasma (Physiol.), the colorless fluid of the blood,
in which the red and white blood corpuscles are suspended.
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.
Synonyms: plasm
See Also: blood plasma, calcedony, chalcedony, ECF, extracellular fluid, gamma globulin, human gamma globulin, interplanetary gas, plasma protein, state, state of matter
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