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Fluoboride :: Fluoboride (n.) See Borofluoride.

Xanthinine :: Xanthinine (n.) A complex nitrogenous substance related to urea and uric acid, produced as a white powder; -- so called because it forms yellow salts, and because its solution forms a blue fluorescence like quinine..

Polychromate :: Polychromate (n.) A compound which exhibits, or from which may be prepared, a variety of colors, as certain solutions derived from vegetables, which display colors by fluorescence..

Hydrofluate :: Hydrofluate (n.) A supposed compound of hydrofluoris acid and a base; a fluoride.

Zircofluoride :: Zircofluoride (n.) A double fluoride of zirconium and hydrogen, or some other positive element or radical; as, zircofluoride of sodium..

Uranium :: Uranium (n.) An element of the chromium group, found in certain rare minerals, as pitchblende, uranite, etc., and reduced as a heavy, hard, nickel-white metal which is quite permanent. Its yellow oxide is used to impart to glass a delicate greenish-yellow tint which is accompanied by a strong fluorescence, and its black oxide is used as a pigment in porcelain painting. Symbol U. Atomic weight 239..

Flux :: Flux (n.) Any substance or mixture used to promote the fusion of metals or minerals, as alkalies, borax, lime, fluorite..

Ralstonite :: Ralstonite (n.) A fluoride of alumina and soda occurring with the Greenland cryolite in octahedral crystals.

Epipolism :: Epipolism (n.) See Fluorescence.

Blue-john :: Blue-john (n.) A name given to fluor spar in Derbyshire, where it is used for ornamental purposes..

Titano- :: Titano- () A combining form (also used adjectively) designating certain double compounds of titanium with some other elements; as, titano-cyanide, titano-fluoride, titano-silicate, etc..

Conyrine :: Conyrine (n.) A blue, fluorescent, oily base (regarded as a derivative of pyridine), obtained from conine..

Silicofluoric :: Silicofluoric (a.) Containing, or composed of, silicon and fluorine; especially, denoting the compounds called silicofluorides..

Fluosilicic :: Fluosilicic (a.) Composed of, or derived from, silicon and fluorine..

Fluorine :: Fluorine (n.) A non-metallic, gaseous element, strongly acid or negative, or associated with chlorine, bromine, and iodine, in the halogen group of which it is the first member. It always occurs combined, is very active chemically, and possesses such an avidity for most elements, and silicon especially, that it can neither be prepared nor kept in glass vessels. If set free it immediately attacks the containing material, so that it was not isolated until 1886. It is a pungent, corrosive, colorles

Sequoiene :: Sequoiene (n.) A hydrocarbon (C13H10) obtained in white fluorescent crystals, in the distillation products of the needles of the California big tree (Sequoia gigantea)..

Thionoline :: Thionoline (n.) A beautiful fluorescent crystalline substance, intermediate in composition between thionol and thionine..

Fluoroscope :: Fluoroscope (n.) An instrument for observing or exhibiting fluorescence.

Yttro-cerite :: Yttro-cerite (n.) A mineral of a violet-blue color, inclining to gray and white. It is a hydrous fluoride of cerium, yttrium, and calcium..

Fluoboric :: Fluoboric (a.) Pertaining to, derived from, or consisting of, fluorine and boron..

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