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:
“And he gave it for his opinion, that whoever could make two ears of corn, or two blades of grass, to grow upon a spot of ground where only one grew before, would deserve better of mankind, and do more essential service to his country, than the whole race of politicians put together.”
—Jonathan Swift (1667–1745)
“My glass shall not persuade me I am old
So long as youth and thou are of one date,
But when in thee time’s furrows I behold,
Then look I death my days should expiate.”
—William Shakespeare (1564–1616)