Grain (disambiguation)

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

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
- 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 (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 Hellman 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

See also