from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Glass that has been ground or etched to create a roughened nontransparent surface.
  • n. Glass that has been ground into fine particles, as for use as an abrasive.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Glass having a rough, flat surface produced by abrasion or etching

from the GNU version of the Collaborative International Dictionary of English

  • glass the transparency of which has been destroyed by having its surface roughened by grinding.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. particulate glass made by grinding and used as an abrasive
  • n. glass that diffuses light due to a rough surface produced by abrasion or etching


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