Grain (disambiguation)
# 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, 1⁄7,000 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
