fluor

flu·or  (flôr, -r)

n.

See fluorite.

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[New Latin, mineral belonging to a group used as fluxes, from Latin, a flowing, from fluere, to flow; see bhleu- in Indo-European roots.]

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fluor [flew-or]

Noun

same as fluorspar [Latin: a flowing; so called from its use as a metallurgical flux]

Thesaurus

Noun

1.

fluor - a soft mineral (calcium fluoride) that is fluorescent in ultraviolet light; chief source of fluorine fluorite, fluorspar atomic number 20, Ca, calcium - a white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals atomic number 9, fluorine, F - a nonmetallic univalent element belonging to the halogens; usually a yellow irritating toxic flammable gas; a powerful oxidizing agent; recovered from fluorite or cryolite or fluorapatite mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition