grain
noun
2.
foodstuff prepared from the starchy grains of cereal grasses
3.
the side of leather from which the hair has been removed
4.
a weight unit used for pearls or diamonds: 50 mg or 1/4 carat
5.
1/60 dram; equals an avoirdupois grain or 64.799 milligrams
6.
1/7000 pound; equals a troy grain or 64.799 milligrams
7.
dry seed-like fruit produced by the cereal grasses: e.g. wheat, barley, Indian corn
8.
a cereal grass
9.
the smallest possible unit of anything
10.
the direction, texture, or pattern of fibers found in wood or leather or stone or in a woven fabric
Derived from:
grain 11.
the physical composition of something (especially with respect to the size and shape of the small constituents of a substance)