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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
fluorine
(ˈflʊəriːn) orfluorin
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
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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Noun | 1. | 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 |
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
Collins English/French Electronic Resource. © HarperCollins Publishers 2005
fluorine
n → Fluor nt
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
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.
Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.
fluor·ine
n. flúor, elemento químico gaseoso.
English-Spanish Medical Dictionary © Farlex 2012
fluorine
n flúor mEnglish-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.