Search Result for "ground glass":
Wordnet 3.0

NOUN (2)

1. glass that diffuses light due to a rough surface produced by abrasion or etching;

2. particulate glass made by grinding and used as an abrasive;


The Collaborative International Dictionary of English v.0.48:

ground \ground\, imp. & p. p. of Grind. [1913 Webster] ground cock, a cock, the plug of which is ground into its seat, as distinguished from a compression cock. --Knight. Ground glass, glass the transparency of which has been destroyed by having its surface roughened by grinding. Ground joint, a close joint made by grinding together two pieces, as of metal with emery and oil, or of glass with fine sand and water. [1913 Webster]
WordNet (r) 3.0 (2006):

ground glass n 1: glass that diffuses light due to a rough surface produced by abrasion or etching 2: particulate glass made by grinding and used as an abrasive