Definition that contains weight unit
- grain a weight unit used for pearls or diamonds: 50 mg or 1/4 carat
- apothecaries' weight any weight unit used in pharmacy; an ounce is equal to 480 grains and a pound is equal to 12 ounces
- apothecaries' unit any weight unit used in pharmacy; an ounce is equal to 480 grains and a pound is equal to 12 ounces
- metric grain a weight unit used for pearls or diamonds: 50 mg or 1/4 carat