Ground glass is glass whose surface has been ground to produce a flat but rough (matte) finish.
Ground glass surfaces have many applications, ranging from mere ornamentation on windows and table glassware to scientific uses in optics and laboratory glassware.
Famous quotes containing the words ground and/or glass:
“When all is said and done, friendship is the only trustworthy fabric of the affections. So-called love is a delirious inhuman state of mind: when hot it substitutes indulgence for fair play; when cold it is cruel, but friendship is warmth in cold, firm ground in a bog.”
—Miles Franklin (1879–1954)
“In the woods in a winter afternoon one will see as readily the origin of the stained glass window, with which Gothic cathedrals are adorned, in the colors of the western sky seen through the bare and crossing branches of the forest.”
—Ralph Waldo Emerson (1803–1882)