Besides its common definition, particle may refer to:

In chemistry:

• Molecule
• Atom
• Electron
• Photon
• Colloidal particle in colloid chemistry, a one-phase system of two or more components

In physics:

• Subatomic particle, which may be either:
  • Elementary particle, a particle of which larger particles are composed
  • Composite particle, a bound state between several elementary particles

  See also list of particles

In other contexts:

• Particle (ecology), in marine and freshwater ecology, a small object
• Grammatical particle, in linguistics, a useful catch-all lacking a strict definition
• Particle system, in computer graphics, a technique to simulate certain fuzzy phenomena.
• Particle (band), a 2000 jam band from Los Angeles, California

See also

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• Granular material

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Enjoyed being godless last night, a highlight was Brian Cox talking about two extremes, particle and astro physics.
3zero3 (Sam Wilson) Mon, 21 Dec 2009 10:52:52 -0000
Enjoyed being godless last night, a highlight was Brian Cox talking about two extremes, particle and astro physics.
RT @davecl42: @loreddrayson 'We are investing record amounts into scientific research' - astro and particle never benefitted. Be honest ...
astroboh (Brian O'Halloran) Wed, 16 Dec 2009 14:41:18 -0000
RT @davecl42: @loreddrayson 'We are investing record amounts into scientific research' - astro and particle never benefitted. Be honest ...
@loreddrayson 'We are investing record amounts into scientifi Subscribe to Astro_Particle RSS feed