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fluorine

   Also found in: Medical, Financial, Acronyms, Encyclopedia, Wikipedia, Hutchinson 0.02 sec.
fluor·ine  (flrn, -n, flôr-, flr-)
n. Symbol F
A pale-yellow, highly corrosive, poisonous, gaseous halogen element, the most electronegative and most reactive of all the elements, used in a wide variety of industrially important compounds. Atomic number 9; atomic weight 18.9984; freezing point -219.62°C; melting point -223°C; boiling point -188.14°C; specific gravity of liquid 1.108 (at boiling point); valence 1. See Table at element.

fluorine
Noun
Chem a poisonous strong-smelling pale yellow gas that is the most reactive of all the elements Symbol: F

fluorine  (flrn)
Symbol F
A pale-yellow, poisonous, gaseous element of the halogen group. It is highly corrosive and is used to separate certain isotopes of uranium and to make refrigerants and high-temperature plastics. It is also added in fluoride form to the water supply to prevent tooth decay. Atomic number 9; atomic weight 18.9984; melting point -223°C; boiling point -188.14°C; specific gravity of liquid 1.108 (at boiling point); valence 1. See Periodic Table.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.fluorine - 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
chemical element, element - any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
cryolite, Greenland spar - a white mineral consisting of fluorides of aluminum and sodium; a source of fluorine
fluorapatite - a form of apatite in which fluorine predominates over chlorine
fluor, fluorite, fluorspar - a soft mineral (calcium fluoride) that is fluorescent in ultraviolet light; chief source of fluorine
gas - a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely
halogen - any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions
Translations
French fluorine [ˈfluəriːn] nfluor m
German fluorine [ˈfluəriːn] nFluor nt
Italian fluorine [ˈfluəriːn] nfluoro

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The Company is positioning fluorine and specialty chemicals as a growth business of their Chemicals Division, under the medium-term management plan "JIKKO-2007", started last year, and focuses on products which allow the Company to take advantage of its strengths.
Key statement: A power transmission belt having a body defined by rubber and having a fiber layer on at least a part of the exposed outer surface of the body, and a mixture including a resin adhesive ingredient, a rubber ingredient and a lubricant that is a fluorine resin powder that is applied to the fiber layer.
Treating the surface of wood-plastic composite (WPC) boards with fluorine gas in the presence of oxygen oxidizes the surface so that ordinary paints and primers adhere as they do to natural wood.
 
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