Grain (disambiguation)

Grains are the seeds of arable crops or the crops bearing them.

Grain or grains may also refer to:

Material structures

 * Grain (textile), the orientation of a woven textile used in a garment
 * Grain, a solid-fuel rocket's propellant charge; roughly a hollow cylinder, sometimes textured, and possibly very large
 * Crystallite or "grain" in metallurgy, a single crystal inside solid-state matter
 * Film grain, the gritty texture sometimes apparent on images produced using photographic film or paper (grainy)
 * Grain size (or particle size), for particles of rock in geology
 * Wood grain, the alignment and texture of the fibres in wood

Places

 * Isle of Grain in Kent, England
 * Grain Power Station, a power station on the Isle of Grain
 * Grain Valley, Missouri, a city in the US

Arts, entertainment, and media

 * Grain (film), 2015 European film by Semih Kaplanoğlu
 * Grain (magazine), a Canadian literary magazine
 * "The Grain", an 1886 short story by Leo Tolstoy

Other uses

 * Grain (unit), a unit of mass equal to 64.79891 milligrams, $1/undefined$ of an avoirdupois pound
 * Grains per gallon, a unit of water hardness
 * Grain (cipher), a stream cipher designed for restricted hardware environments
 * Grain 128a, successor of Grain cipher
 * Grain (surfboard company), a company that manufactures hollow wooden surfboards
 * Grain (company), a Series B Singaporean food-delivery startup
 * GRAIN, an international non-governmental organization for sustainable agriculture
 * Grain of salt, an idiom