grain - noun

a relatively small granular particle of a substance

foodstuff prepared from the starchy grains of cereal grasses

the side of leather from which the hair has been removed

a weight unit used for pearls or diamonds: 50 mg or 1/4 carat

1/60 dram; equals an avoirdupois grain or 64.799 milligrams

1/7000 pound; equals a troy grain or 64.799 milligrams

dry seed-like fruit produced by the cereal grasses: e.g. wheat, barley, Indian corn

a cereal grass

the smallest possible unit of anything

the direction, texture, or pattern of fibers found in wood or leather or stone or in a woven fabric

the physical composition of something (especially with respect to the size and shape of the small constituents of a substance)

grain - verb

• thoroughly work in
• paint (a surface) to make it look like stone or wood
• form into grains
• become granular

grain - thesaurus

caryopsis   cereal   granulate   ingrain   texture