The meaning of LUSTER is a glow of reflected light : sheen; specifically : the appearance of the surface of a mineral dependent upon its reflecting qualities. How to use luster in a sentence.

LUSTER meaning: 1. the brightness that a shiny surface has: 2. a very special, attractive quality that people…. Learn more.

The shine from the surface of a mineral. Luster is important in describing different kinds of minerals. It is usually characterized as metallic, glassy, pearly, or dull.

Dec 4, 2025 · By the luster or glance of a mineral is meant the quantity and quality of light reflected by it, as determined by the character or minute structure of its surface.

Luster is gentle shining light that is reflected from a surface, for example from polished metal. These pearls had a fine luster.

Define luster. luster synonyms, luster pronunciation, luster translation, English dictionary definition of luster. n. 1. Soft reflected light; sheen. 2. Brilliance or radiance of light; brightness. 3. Glory, radiance, …

radiance of beauty, excellence, merit, distinction, or glory: achievements that add luster to one's name. a shining object, esp. one used for decoration, as a cut-glass pendant or ornament.

LUSTER meaning: 1 : the shiny quality of a surface that reflects light; 2 : an appealing, exciting, or admired quality

To give a lustrous finish or gloss to. To be or become lustrous. To add glory or fame to. (intransitive) To gleam, have luster. Pick through each pearl on the strand to check its luster.

Definition of luster noun in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.