cover glass
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cov·er glass
a thin glass disc or plate covering an object examined under the microscope.
Synonym(s): coverslip
cover glass
n.
1. See cover slip.
2. A protective sheet of glass for a transparency.
glass
(glas)A hard, brittle, amorphous, transparent material composed of silica and various bases.
cover glass
Coverslip.fiber glass
See: fiberglassfibrous glass
Fiberglass.ground glass
Abnormal shadowing seen radiographically. In chest x-ray films, it may indicate interstitial fibrosis of the lung; in abdominal films, it suggests ascites.
leaded glass
Safety glass that contains lead, used in radiology to help protect personnel from x-rays.
photochromic glass
Glass that is manufactured to appear clear until light strikes it. When used in sunglasses, the lens becomes dark and reduces the amount of light transmitted, becoming clear again when no longer exposed to bright light.
polarized glass
Glass treated with a medium that permits the exiting light waves to vibrate in only one direction.
safety glass
A type of laminated glass that meets specific requirements concerning the force necessary to break it and is designed to break without shattering. Its use in automobiles reduces the risk of injury from broken glass.
tempered glass
Glass that has been heat-treated to increase the force required to break it.
ultraviolet transmitting glass
Glass designed to admit ultraviolet radiation through it. It transmits about half of the solar radiation, between the wavelengths of 290 and 320 nm.
vita glass
Window glass containing quartz for transmitting the ultraviolet rays of sunlight.
watch glass
A shallow, saucer-like glass dish, resembling the glass cover widely used to cover the face of a large pocket watch.