Plasma may refer to:

• Plasma (physics), an ionized gas
  • Plasma display, a flat-panel electronic visual display technology
• Blood plasma
• Whey, also known as milk plasma
• Bright green chalcedony, which is sometimes found with small spots of jasper resembling blood drops
• In cell biology:
  • Cytoplasm
  • Nucleoplasm
  • Protoplasm
  • Germ plasm
• Plasma (KDE), a reimplentation and redesign of the KDE free desktop environment for Linux
• Plasma effect, used in computer graphics demonstrations

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