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..
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Mosaic ::
Mosaic (n.) A surface decoration made by inlaying in patterns small pieces of variously colored glass, stone, or other material; -- called also mosaic work..
Vitric ::
Vitric (a.) Having the nature and qualities of glass; glasslike; -- distinguished from ceramic.
Goggle ::
Goggle (v. i.) A kind of spectacles with short, projecting eye tubes, in the front end of which are fixed plain glasses for protecting the eyes from cold, dust, etc..
Slide ::
Slide (n.) A plate or slip of glass on which is a picture or delineation to be exhibited by means of a magic lantern, stereopticon, or the like; a plate on which is an object to be examined with a microscope..
Isinglass ::
Isinglass (n.) A semitransparent, whitish, and very pure from of gelatin, chiefly prepared from the sounds or air bladders of various species of sturgeons (as the Acipenser huso) found in the of Western Russia. It used for making jellies, as a clarifier, etc. Cheaper forms of gelatin are not unfrequently so called. Called also fish glue..
Dynameter ::
Dynameter (n.) An instrument for determining the magnifying power of telescopes, consisting usually of a doubleimage micrometer applied to the eye end of a telescope for measuring accurately the diameter of the image of the object glass there formed; which measurement, compared with the actual diameter of the glass, gives the magnifying power..
Natrolite ::
Natrolite (n.) A zeolite occuring in groups of glassy acicular crystals, and in masses which often have a radiated structure. It is a hydrous silicate of alumina and soda..
Frit ::
Frit (v. t.) The material of which glass is made, after having been calcined or partly fused in a furnace, but before vitrification. It is a composition of silex and alkali, occasionally with other ingredients..
Deglazing ::
Deglazing (n.) The process of giving a dull or ground surface to glass by acid or by mechanical means.
Lantern ::
Lantern (n.) Something inclosing a light, and protecting it from wind, rain, etc. ; -- sometimes portable, as a closed vessel or case of horn, perforated tin, glass, oiled paper, or other material, having a lamp or candle within; sometimes fixed, as the glazed inclosure of a street light, or of a lighthouse light..
Retort ::
Retort (v. t.) A vessel in which substances are subjected to distillation or decomposition by heat. It is made of different forms and materials for different uses, as a bulb of glass with a curved beak to enter a receiver for general chemical operations, or a cylinder or semicylinder of cast iron for the manufacture of gas in gas works..
Flask ::
Flask (n.) A narrow-necked vessel of metal or glass, used for various purposes; as of sheet metal, to carry gunpowder in; or of wrought iron, to contain quicksilver; or of glass, to heat water in, etc..
Conciator ::
Conciator (a.) The person who weighs and proportions the materials to be made into glass, and who works and tempers them..
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