Definitions of plasma:

  • noun:   colorless watery fluid of blood and lymph containing no cells and in which erythrocytes and leukocytes and platelets are suspended
  • noun:   (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
    Example: "Particles in space exist in the form of a plasma"
  • noun:   a green slightly translucent variety of chalcedony used as a gemstone