(metallurgy). To separate a metal or a mineral from an ore by various chemical or mechanical methods. (pharmacology). A pharmaceutical preparation obtained by dissolving the active constituents of a drug with a suitable menstruum, evaporating the solvent, and adjusting to prescribed standards.
Tibetans consider amethyst sacred to the Buddha and make prayer beads from it. Amethyst is considered the birthstone of February. In the Middle Ages, it was considered a symbol of royalty and used to decorate English regalia.
The noun AMETHYST has 1 sense: 1. a transparent purple variety of quartz; used as a gemstone. Familiarity information: AMETHYST used as a noun is very rare. â¢ AMETHYST (adjective). The adjective AMETHYST has 1 sense: 1. of a moderate purple color. Familiarity information: AMETHYST used as an adjective is very rare.he noun AMETHYST has 1 sense: 1. a transparent purple variety of quartz; used as a gemstone. Familiarity information: AMETHYST used as a noun is very rare. â¢ AMETHYST (adjective). The adjective AMETHYST has 1 sense: 1. of a moderate purple color. Familiarity information: AMETHYST used as an adjective is very rare.