... of mass, used in the apothecaries’ system of mass units, equal to 1/ 8 apothecaries’ ounce or 60 grains or 3 .88 79346 grams Also known as apothecaries’ dram (dram ap); drachm (British) A unit of ... principal axis of inertia; no products of inertia about the center of gravity of the body exist in relation to the selected rotational axis { dı¦namиik balиəns } ¯ 18 0 dyne [ENG] A description of how ... section built of earth, sand, or rock, and a core of impervious material such as clay or concrete { ərth dam } earthenware [ENG] Ceramic products of natural clay, fired at 17 42– 212 9ЊF (950 11 65ЊC),...