Found 2 items, similar to ground glass.
English → English (WordNet) Definition: ground glass 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
English → English (gcide) Definition: Ground glass 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]