Grain (disambiguation)

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Grains are coarse particles such as sand particles, salt particles or seeds:

  • Food grains, the small, hard, fruits or seeds of arable crops or the crops bearing these fruits or seeds. Includes the:
    • cereal grains (caryopsis of grass plants)
    • pseudocereals: starchy grains produced by broadleaf plants; used like true cereals
    • pulses or grain legumes
    • Whole grains, the cereal grains that contain bran and germ as well as the endosperm
    • oilseeds
  • 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 (unit), a unit of mass equal to 64.79891 milligrams, 17,000 of an avoirdupois pound
  • Grain size (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 Hellman et al.
  • Grain (textile), the orientation of a woven textile used in a garment.
  • Isle of Grain in Kent, England, on which lies the village of Grain
  • GRAIN - is an international non-governmental organization for sustainable agriculture

Grain may also refer to: