Pronunciation: (lus'tur),[key] —n. 1. the state or quality of shining by reflecting light; glitter, sparkle, sheen, or gloss: the luster of satin. 2. a substance, as a coating or polish, used to impart sheen or gloss.
3. radiant or luminous brightness; brilliance; radiance.
4. radiance of beauty, excellence, merit, distinction, or glory: achievements that add luster to one's name. 5. a shining object, esp. one used for decoration, as a cut-glass pendant or ornament.
6. a chandelier, candleholder, etc., ornamented with cut-glass pendants.
7. any natural or synthetic fabric with a lustrous finish.
8. Also calledmetallic luster. an iridescent metallic film produced on the surface of a ceramic glaze.
9. Mineral.the nature of a mineral surface with respect to its reflective qualities: greasy luster.
—v.t. to finish (fur, cloth, pottery, etc.) with a luster or gloss.
—v.i. to be or become lustrous. Also,esp. Brit.,lustre.