Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The clear, yellowish fluid portion of blood, lymph, or intramuscular fluid in which cells are suspended. It differs from serum in that it contains fibrin and other soluble clotting elements.
  • n. Blood plasma.
  • n. Medicine Cell-free, sterilized blood plasma, used in transfusions.
  • n. Protoplasm or cytoplasm.
  • n. The fluid portion of milk from which the curd has been separated by coagulation; whey.
  • n. Physics An electrically neutral, highly ionized gas composed of ions, electrons, and neutral particles. It is a phase of matter distinct from solids, liquids, and normal gases.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A state of matter consisting of partially ionized gas
  • n. A clear component of blood or lymph containing fibrin
  • n. Blood plasma, free of suspended cells, used in transfusions
  • n. A variety of green quartz, used in ancient times for making engraved ornaments.
  • n. A mixture of starch and glycerin, used as a substitute for ointments.
  • n. A visual effect in which cycles of changing colours are warped in various ways to give the illusion of liquid organic movement.

from the GNU version of the Collaborative International Dictionary of English

  • n. 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.
  • n. The viscous material of an animal or vegetable cell, out of which the various tissues are formed by a process of differentiation; protoplasm.
  • n. Unorganized material; elementary matter.
  • n. A mixture of starch and glycerin, used as a substitute for ointments.
  • n. same as blood plasma.
  • n. 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.

from The Century Dictionary and Cyclopedia

  • n. A variety of translucent quartz, or silica, of a rich grass-green or leek-green color, occurring in large pieces, associated with common chalcedony. Many fine engraved ornaments of this stone have been found among the ruins of Rome.
  • n. The liquid part of unaltered blood, lymph, or milk, as distinguished from the corpuscles of the blood or lymph, or the oil-globules of the milk; also, the juice expressed from fresh muscle; the muscle-plasma
  • n. The primitive indifferent nitrogenized hydrocarbon which forms the basis of all tissues of plants and animals; the “physical basis of life,” in its simplest expression: now generally called protoplasm.
  • n. In pharmacy, same as glycerite of starch.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • 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
  • n. 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
  • n. a green slightly translucent variety of chalcedony used as a gemstone

Etymologies

New Latin, from Late Latin, image, figure, from Greek, from plassein, to mold; see pelə-2 in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Ancient Greek πλάσμα (plasma, "something formed") (Wiktionary)

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  • "n. A variety of translucent quartz, or silica, of a rich grass-green or leek-green color, occurring in large pieces, associated with common chalcedony. Many fine engraved ornaments of this stone have been found among the ruins of Rome."

    "n. In pharmacy, same as glycerite of starch."

    --both from the CD&C

    January 19, 2012