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Frett :: Frett (n.) A vitreous compound, used by potters in glazing, consisting of lime, silica, borax, lead, and soda..

Argentite :: Argentite (n.) Sulphide of silver; -- also called vitreous silver, or silver glance. It has a metallic luster, a lead-gray color, and is sectile like lead..

Hyalospongia :: Hyalospongia (n. pl.) An order of vitreous sponges, having glassy six-rayed, siliceous spicules; -- called also Hexactinellinae..

Pecten :: Pecten (n.) A vascular pigmented membrane projecting into the vitreous humor within the globe of the eye in birds, and in many reptiles and fishes; -- also called marsupium..

Reclination :: Reclination (n.) The act or process of removing a cataract, by applying the needle to its anterior surface, and depressing it into the vitreous humor in such a way that the front surface of the cataract becomes the upper one and its back surface the lower one..

Spherulite :: Spherulite (n.) A minute spherical crystalline body having a radiated structure, observed in some vitreous volcanic rocks, as obsidian and pearlstone..

Humite :: Humite (n.) A mineral of a transparent vitreous brown color, found in the ejected masses of Vesuvius. It is a silicate of iron and magnesia, containing fluorine..

Vitre-o-electic :: Vitre-o-electic (a.) Containing or exhibiting positive, or vitreous, electricity..

Glass-rope :: Glass-rope (n.) A remarkable vitreous sponge, of the genus Hyalonema, first brought from Japan. It has a long stem, consisting of a bundle of long and large, glassy, siliceous fibers, twisted together..

Vitreousness :: Vitreousness (n.) The quality or state of being vitreous.

Chalcocite :: Chalcocite (n.) Native copper sulphide, called also copper glance, and vitreous copper; a mineral of a black color and metallic luster..

Hyaloid :: Hyaloid (a.) Resembling glass; vitriform; transparent; hyaline; as, the hyaloid membrane, a very delicate membrane inclosing the vitreous humor of the eye..

Laumontite :: Laumontite (n.) A mineral, of a white color and vitreous luster. It is a hydrous silicate of alumina and lime. Exposed to the air, it loses water, becomes opaque, and crumbles..

Melanterite :: Melanterite (n.) A hydrous sulphate of iron of a green color and vitreous luster; iron vitriol.

Resin :: Resin (n.) Any one of a class of yellowish brown solid inflammable substances, of vegetable origin, which are nonconductors of electricity, have a vitreous fracture, and are soluble in ether, alcohol, and essential oils, but not in water; specif., pine resin (see Rosin)..

Devitrify :: Devitrify (v. t.) To deprive of glasslike character; to take away vitreous luster and transparency from.

Garnet :: Garnet (n.) A mineral having many varieties differing in color and in their constituents, but with the same crystallization (isometric), and conforming to the same general chemical formula. The commonest color is red, the luster is vitreous, and the hardness greater than that of quartz. The dodecahedron and trapezohedron are the common forms..

Depolishing :: Depolishing (n.) The process of removing the vitreous glaze from porcelain, leaving the dull luster of the surface of ivory porcelain..

Tyrolite :: Tyrolite (n.) A translucent mineral of a green color and pearly or vitreous luster. It is a hydrous arseniate of copper.

Iolite :: Iolite (n.) A silicate of alumina, iron, and magnesia, having a bright blue color and vitreous luster; cordierite. It is remarkable for its dichroism, and is also called dichroite..

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