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fluorine

 
Noun fluorine has 1 sense
  1. fluorine, F, atomic number 9 - 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
    --1 is a kind of chemical element, element; gas; halogen
    --1 is a substance of
     fluorite, fluorspar, fluor; fluorapatite; cryolite, Greenland spar
fluorescer fluoridate fluoridation fluoride fluoridisation fluoridise fluoridization fluoridize fluorine fluorish fluorite fluoroboric acid fluoroboride fluorocarbon fluorocarbon plastic fluorochrome fluoroform

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