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.

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

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

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.

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, …

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

What Does Luster Mean? Luster refers to the way light interacts with the surface of a mineral, giving it a certain shine or glow. It describes the appearance of a material’s surface when illuminated, and it …

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.

noun A substance which imparts luster to a surface, as graphite and some of the glazes. noun A fabric of wool and cotton with a lustrous surface, -- used for women's dresses.