Definition of glass

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Glass (v. t.) A hard, brittle, translucent, and commonly transparent substance, white or colored, having a conchoidal fracture, and made by fusing together sand or silica with lime, potash, soda, or lead oxide. It is used for window panes and mirrors, for articles of table and culinary use, for lenses, and various articles of ornament..

Lern More About Glass

Polyoptrum :: Polyoptrum (n.) A glass through which objects appear multiplied, but diminished in size..
Sunglow :: Sunglass (n.) A convex lens of glass for producing heat by converging the sun's rays into a focus.
Hyalography :: Hyalography (n.) Art of writing or engraving on glass.
Enamel :: Enamel (v. t.) A variety of glass, used in ornament, to cover a surface, as of metal or pottery, and admitting of after decoration in color, or used itself for inlaying or application in varied colors..
Vitrify :: Vitrify (v. t.) To convert into, or cause to resemble, glass or a glassy substance, by heat and fusion..
Samphire :: Samphire (n.) The species of glasswort (Salicornia herbacea); -- called in England marsh samphire.
Polyneme :: Polyneme (n.) Any one of numerous species of tropical food fishes of the family Polynemidae. They have several slender filaments, often very long, below the pectoral fin. Some of them yield isinglass of good quality. Called also threadfish..
Deglazing :: Deglazing (n.) The process of giving a dull or ground surface to glass by acid or by mechanical means.
Tessera :: Tessera (n.) A small piece of marble, glass, earthenware, or the like, having a square, or nearly square, face, used by the ancients for mosaic, as for making pavements, for ornamenting walls, and like purposes; also, a similar piece of ivory, bone, wood, etc., used as a ticket of admission to theaters, or as a certificate for successful gladiators, and as a token for various other purposes..
Curl :: Curl (v.) An undulating or waving line or streak in any substance, as wood, glass, etc.; flexure; sinuosity..
Foliate :: Foliate (v. t.) To spread over with a thin coat of tin and quicksilver; as, to foliate a looking-glass..
Glass-snake :: Glass-snake (n.) A long, footless lizard (Ophiosaurus ventralis), of the Southern United States; -- so called from its fragility, the tail easily breaking into small pieces. It grows to the length of three feet. The name is applied also to similar species found in the Old World..
Set :: Set (v. t.) To fix, as a precious stone, in a border of metal; to place in a setting; hence, to place in or amid something which serves as a setting; as, to set glass in a sash..
Vitreous :: Vitreous (a.) Of or pertaining to glass; derived from glass; as, vitreous electricity..
Pachometer :: Pachometer (n.) An instrument for measuring thickness, as of the glass of a mirror, or of paper; a pachymeter..
Dipleidoscope :: Dipleidoscope (n.) An instrument for determining the time of apparent noon. It consists of two mirrors and a plane glass disposed in the form of a prism, so that, by the reflections of the sun's rays from their surfaces, two images are presented to the eye, moving in opposite directions, and coinciding at the instant the sun's center is on the meridian..
Lens :: Lens (n.) A piece of glass, or other transparent substance, ground with two opposite regular surfaces, either both curved, or one curved and the other plane, and commonly used, either singly or combined, in optical instruments, for changing the direction of rays of light, and thus magnifying objects, or otherwise modifying vision. In practice, the curved surfaces are usually spherical, though rarely cylindrical, or of some other figure..
Smooth :: Smooth (superl.) Having an even surface, or a surface so even that no roughness or points can be perceived by the touch; not rough; as, smooth glass; smooth porcelain..
Hyalonema :: Hyalonema (n.) A genus of hexactinelline sponges, having a long stem composed of very long, slender, transparent, siliceous fibres twisted together like the strands of a color. The stem of the Japanese species (H. Sieboldii), called glass-rope, has long been in use as an ornament. See Glass-rope..
Stereoplasm :: Stereomonoscope (n.) An instrument with two lenses, by which an image of a single picture projected upon a screen of ground glass is made to present an appearance of relief, and may be viewed by several persons at once..
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