Grain (disambiguation)

Look up grain in Wiktionary, the free dictionary.

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)
  - Whole grains, the cereal grains that contain bran and germ as well as the endosperm
- 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 (unit), a unit of mass equal to 64.79891 milligrams, ¹⁄_7,000 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 Hell 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, an international non-governmental organization for sustainable agriculture

Grain may also refer to: