Look up grain in Wiktionary, the free dictionary.

Grain refers to coarse particles (e.g. grain of sand, grain of salt):

• Grain is the small, hard, fruits or seeds of arable crops. Commonly:
  • grasses
  • caryopsis
  • cereal
• Film grain, the gritty texture sometimes apparent on images produced using photographic film or paper (grainy)
• "Fine-grained", designating a more finely differentiated form of a technical or abstract system, in contrast to "coarse-grained", a less differentiated one
• Grain (mass), a mass of 64.79891 milligrams, 1/7,000th of an avoirdupois pound
• Grain, or Particle size, for particles of rock in geology
• Crystallite or "grain" in metallurgy, a single crystal inside solid-state matter
• Grain, a solid propellant charge, roughly a hollow cylinder, sometimes textured, and possibly very large
• Granular synthesis, a method for digital musical instruments operating on the "microsound" time scale
• Grain (surfboard company), a company that manufactures Hollow wooden surfboards
• Wood grain, the alignment and texture of the fibres in wood

Or, more generally:

• Grain (cipher), a stream cipher designed for restricted hardware environments and submitted to eSTREAM in 2004 by Martin Hell et al.
• Isle of Grain in Kent, England, on which lies the village of Grain
• GRAIN - is an international non-governmental organization for sustainable agriculture

[edit] See also

• Granularity

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