LUXURY n.
, and is also costly, or difficult to obtain; an expensive rarity; as, silks, jewels, and rare fruits are luxuries; in some countries ice is a great luxury. He cut the side of a rock for a garden, and, by laying on it earth, furnished out a kind of luxury for a hermit. Addison.
OSMIUM n.
A rare metallic element of the platinum group, found native as an alloy in platinum ore, and in iridosmine. It is a hard, infusible, bluish or grayish white metal, and the heaviest substance known. Its tetroxide is used in histological experiments to stain tissues. Symbol Os. Atomic weight 191.1. Specific gravity 22.47…