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What is the meaning of FLUOR. Phrases containing FLUOR
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What is the meaning of FLUOR. Phrases containing FLUOR
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FLUOR
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FLUOR
FLUOR
A combining form (also used adjectively) designating certain double compounds of titanium with some other elements; as, titano-cyanide, titano-fluoride, titano-silicate, etc.
See Fluorite.
FLUOR
n.
A fluoride of the cerium metals occurring in hexagonal crystals of a pale yellow color. Cf. Fluocerite.
a.
Pertaining to fluor.
n.
A binary compound of fluorine with another element or radical.
a.
Having the property of fluorescence.
a.
Combined with fluorine; subjected to the action of fluoride.
n.
A yellowish red, crystalline substance, C20H12O5, produced by heating together phthalic anhydride and resorcin; -- so called, from the very brilliant yellowish green fluorescence of its alkaline solutions. It has acid properties, and its salts of the alkalies are known to the trade under the name of uranin.
n.
A manganese phosphate near triplite, but containing hydroxyl instead of fluorine.
n.
A tetrahexahedron; -- so called because it is a common form of fluorite.
n.
The nonmetalliferous mineral or rock material which accompanies the ores in a vein, as quartz, calcite, barite, fluor spar, etc.; -- called also veinstuff.
n.
A colorless, amorphous substance which is produced by the reduction of fluorescein, and from which the latter may be formed by oxidation.
n.
That property which some transparent bodies have of producing at their surface, or within their substance, light different in color from the mass of the material, as when green crystals of fluor spar afford blue reflections. It is due not to the difference in the color of a distinct surface layer, but to the power which the substance has of modifying the light incident upon it. The light emitted by fluorescent substances is in general of lower refrangibility than the incident light.
n.
Calcium fluoride, a mineral of many different colors, white, yellow, purple, green, red, etc., often very beautiful, crystallizing commonly in cubes with perfect octahedral cleavage; also massive. It is used as a flux. Some varieties are used for ornamental vessels. Also called fluor spar, or simply fluor.
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.
n.
An instrument for observing or exhibiting fluorescence.
n.
An alkaline salt of fluorescein, obtained as a brownish red substance, which is used as a dye; -- so called from the peculiar yellowish green fluorescence (resembling that of uranium glass) of its solutions. See Fluorescein.
a.
Pertaining to, obtained from, or containing, fluorine.
n.
A colorless, crystalline hydrocarbon, C13H10 having a beautiful violet fluorescence; whence its name. It occurs in the higher boiling products of coal tar, and is obtained artificially.
n.
See Fluorite.
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