fluorine


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fluor·ine

 (flo͝or′ēn′, -ĭn, flôr′-)
n. Symbol F
A pale-yellow, highly corrosive, poisonous, gaseous halogen element, the most electronegative and most reactive of all the elements, existing as a diatomic gas (F2) and used in a wide variety of industrially important compounds. Atomic number 9; atomic weight 18.9984; melting point -219.67°C; boiling point -188.12°C; specific gravity of liquid 1.50 (at boiling point); valence 1. See Periodic Table.

fluorine

(ˈflʊəriːn) or

fluorin

n
(Elements & Compounds) a toxic pungent pale yellow gas of the halogen group that is the most electronegative and reactive of all the elements, occurring principally in fluorspar and cryolite: used in the production of uranium, fluorocarbons, and other chemicals. Symbol: F; atomic no: 9; atomic wt: 18.9984032; valency: 1; density: 1.696 kg/m3; relative density: 1.108; freezing pt: –219.62°C; boiling pt: –188.13°C

fluor•ine

(ˈflʊər in, -ɪn, ˈflɔr-, ˈfloʊr-)

n.
the most reactive nonmetallic element, a pale yellow, corrosive, toxic gas that occurs combined, esp. in fluorite. Symbol: F; at. wt.: 18.9984; at. no.: 9.
[1813; < French]

fluor·ine

(flo͝or′ēn′)
Symbol F A pale-yellow, poisonous, gaseous halogen element that is highly corrosive. It 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. See Periodic Table.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.fluorine - a nonmetallic univalent element belonging to the halogensfluorine - 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
fluoor
غاز الفلورفلور
флуор
fluor
fluorfluór
fluor
fluoro
fluor
فلوئور
fluori
फ्लोरिन
fluor
fluor
fluor
flúor
フッ素
불소플루오린
fluor
fluoras
fluors
ഫ്ലൂറിന്‍
fluor
fluór
fluor
fluorфлуор
fluor
florini
ฟลูออรีน
florflüor
фтор
flo

fluorine

[ˈflʊəriːn] Nflúor m

fluorine

[ˈflʊəriːn] nfluor m

fluorine

nFluor nt

fluorine

[ˈflʊəriːn] nfluoro

fluoride

(ˈfluəraid) noun
any of several substances containing fluorine, especially one which helps to prevent tooth decay.
fluorine (ˈfluəriːn) noun
an element, a pale greenish-yellow gas.

fluor·ine

n. flúor, elemento químico gaseoso.

fluorine

n flúor m
References in periodicals archive ?
Despite the industry downturn, there were positive reports from new entrants to the market, including presentations from Masan Resources in Vietnam, Amania Mining in Afghanistan, Gulf Fluor in Abu Dhabi, and Navin Fluorine in India.
So far the result has only been demonstrated in vitro, but it should be possible to insert fluorine into the molecular structure of other drugs in order to assess changes in how they interact with their targets.
Ali Sadeqi, one of the Iranian researchers, explained that halogen bonds are very weak in fluorine and they do not usually occur.
They also have considerable experience in fluorination chemistry, successfully synthesising multiple (poly)fluorinated target molecules utilising a range of methods of fluorine introduction and exploiting the altered chemical reactivity of the substrates in the downstream chemistry.
Early-forming apatite is so fluorine-rich that it vacuums all the fluorine out of the magma, followed by chlorine.
Coal-burning power plants release large amounts of fluorine into the atmosphere ( ~ 8% of smokestack gas is F).
Sulfur, chlorine, and fluorine gasses could have been released into the atmosphere from eruptions spewing out of large fissures, which is common in basalt flood formation.
Fluorinated copolymers are known to have many useful and desirable features, such as high thermal, aging, and weather resistance; excellent inertness to solvents, acids, and alkalis; and oil and water repellency due to the low polarizability and the strong electronegativity of the fluorine atom.
Measuring the amounts of sulfur, chlorine and fluorine in the blobs, Black found surprisingly high levels of those elements--in one sample, up to 0.
It has been widely reported that around 20% of all pharmaceuticals and at least 30% of agrochemicals on the market contain fluorine.
They confirmed that the fluorine content in tea exceeds the standard for tap water in terms of density in about 70 percent of the 130 instances they analyzed.
More than one reviewer has called this book almost a "who-done-it," with secret agendas, billions of dollars in profit, America's global military domination, the very industrial sinews of the United States' industrial power bound up irretrievably in the cheap and reckless use of an incredibly powerful and dangerous chemical: fluorine.