grain

• Noun

  1. The harvested seeds of various grass food crops eg: wheat, corn, barley.
  2. Similar seeds from any food crop, e.g., buckwheat, amaranth, quinoa.
  3. A single seed of grass food crops.
  4. The crops from which grain is harvested.
  5. A linear texture of a material or surface.
  6. A single particle of a substance.
  7. Any of various small units of mass originally notionally based on grain's weight, variously standardized at different places and times, including
  8. Any of various small units of mass originally notionally based on grain's weight, variously standardized at different places and times, including
  9. Any of various small units of mass originally notionally based on grain's weight, variously standardized at different places and times, including
  10. Any of various small units of length originally notionally based on a grain's width, variously standardized at different places and times.
  11. The carat grain of ¹⁄₄ carat as a measure of gold purity, creating a 96-point scale between 0% and 100% purity.
  12. A region within a material having a single crystal structure or direction.
  13. The solid piece of fuel in an individual solid-fuel rocket engine.
  14. A reddish dye made from the coccus insect, or kermes; hence, a red color of any tint or hue, as crimson, scarlet, etc.; sometimes used by the poets as equivalent to Tyrian purple.
  15. The hair side of a piece of leather, or the marking on that side.
  16. The remains of grain, etc., after brewing or distillation; hence, any residuum.
  17. A rounded prominence on the back of a sepal, as in the common dock.
  18. Temper; natural disposition; inclination.
  19. Visual texture in processed photographic film due to the presence of small particles of a metallic silver, or dye clouds, developed from silver halide that have received enough photons.

• Verb