PLASMA • DICCIONARIO INGLES.COM • Definition of Plasma

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/plˈæzmə/ Listen

noun

Plasma n.

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.

5.

Same as blood plasma.

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.

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.

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Etymology of 'Plasma'

Collaborative International Dictionary of English 0.48

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"Plasma" Quotes from Famous Books

... chronicle the heroic emotions that motivate men is a fine task. Love and hate and all the chemistry of their mingling that go to form the plasma of human experience. It is a lesser, even an ignominious one to narrate Lilly's kind of anguish during this matinal performance of her husband. She suffered a tight-throated sort of anguish that could have been no keener ...

— Star-Dust • Fannie Hurst

... factors besides cerebral hyperaemia and anaemia may produce the functional variety of headache. There would seem to be ample ground for ascribing great causative importance to excessive irritation of the brain plasma itself. Hence those forms of headache which while, being unaccompanied by any especial circulatory derangements, succeed, oftentimes, with relentless regularity upon any considerable degree of mental work. It is not my purpose to discuss the treatment of the multifarious forms of ...

— Scientific American Supplement, No. 415, December 15, 1883 • Various

... spacing apparently random. The main sequence of noise out of which the peaks rise is the 21-centimeter hydrogen line. Notice also that the peaks have nearly identical amplitudes. Obviously, the source is neutral hydrogen, which is to say hydrogen in its normal form, not ionized as we find it in plasma in a star's atmosphere. Our problem is simply to locate the source of the peaks. Somewhere in the circuit there seems to be an effect that serves to modulate the incoming signal. Our antenna will be useless unless we eliminate this interference so ...

— The Egyptian Cat Mystery • Harold Leland Goodwin

... work; Persian water-jugs for the hands after meals; dull copper incense-burners neither Chinese nor Persian, with friezes of fantastic devils running round them; tarnished silver belts that knotted like raw hide; hairpins of jade, ivory, and plasma; arms of all sorts and kinds, and a thousand other oddments were cased, or piled, or merely thrown into the room, leaving a clear space only round the rickety deal table, ...

— Kim • Rudyard Kipling

... itself. From the fact that the son of a fencing-master has become a good fencer much more quickly than his father, we cannot infer that the habit of the parent has been transmitted to the child; for certain natural dispositions in course of growth may have passed from the plasma engendering the father to the plasma engendering the son, may have grown on the way by the effect of the primitive impetus, and thus assured to the son a greater suppleness than the father had, without troubling, so to speak, about what the father did. So of many examples ...

— Creative Evolution • Henri Bergson

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