Water retention, formally known as edema, is a symptom of a number of conditions including dehydration, constipation, hormonal changes, excess sodium in the diet, heart conditions and kidney problems.
dross. n. 1. Waste or impure matter: discarded the dross after recycling the wood pulp. 2. The scum that forms on the surface of molten metal as a result of oxidation. 3. Worthless, commonplace, or trivial matter: He was wide-awake and his mind worked clearly, purged of all dross (Vladimir Nabokov).
Medical Definition of dram. 1  1: either of two units of weight:a: an avoirdupois unit equal to 1.772 grams or 27.344 grainsb: a unit of apothecaries' weight equal to 3.888 grams or 60 grains. 2  2: fluid dram.