Source : Webster's Revised Unabridged Dictionary (1913)

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.

   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.

Source : WordNet®

plasma
     n 1: colorless watery fluid of blood and lymph containing no
          cells and in which erythrocytes and leukocytes and
          platelets are suspended [syn: {plasm}]
     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"

Source : Free On-Line Dictionary of Computing

PLASMA
     
        PLAnner-like System Modelled on Actors.  {Carl Hewitt}, 1975.
        The first {actor} language.  Originally called Planner-73, and
        implemented in MacLisp.  Lisp-like syntax, but with several
        kinds of parentheses and brackets.
     
        ["A PLASMA Primer", B. Smith et al, AI Lab Working Paper 92,
        MIT Oct 1975].
     
        ["Viewing Control Structures as Patterns of Passing Messages",
        C. Hewitt, AI Lab Memo 410, MIT 1976].