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luster1

[luhs-ter] /ˈlʌs tər/
noun
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, especially 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 called metallic luster. an iridescent metallic film produced on the surface of a ceramic glaze.
9.
Mineralogy. the nature of a mineral surface with respect to its reflective qualities:
greasy luster.
verb (used with object)
10.
to finish (fur, cloth, pottery, etc.) with a luster or gloss.
verb (used without object)
11.
to be or become lustrous.
Also, especially British, lustre.
Origin
1515-1525
1515-25; < Middle French lustre < Italian lustro, derivative of lustrare to polish, purify < Latin lūstrāre to purify ceremonially, derivative of lūstrum lustrum
Related forms
lusterless, adjective
Synonyms
1. See polish.
Antonyms
1. dullness.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Word Origin and History for lusterless

luster

n.

"gloss, radiance," 1520s, from Middle French lustre "gloss, radiance" (14c.), common Romanic (cf. Spanish and Portuguese lustre, Rumanian lustru, Italian lustro "splendor, brilliancy"), from Latin lustrare "spread light over, brighten, illumine," related to lucere "shine," lux "light" (see light (n.)).

"one who lusts," 1590s, agent noun from lust (v.).

Online Etymology Dictionary, © 2010 Douglas Harper
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lusterless in Science
luster
  (lŭs'tər)   
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 American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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