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fluorine Definition

fluo·rine (flôr′ēn′, flo̵or′-)

noun

a corrosive, toxic, greenish-yellow gaseous chemical element, one of the halogens and the most reactive nonmetallic element, forming fluorides with almost all known elements: symbol, F; at. no., 9

Etymology: fluor + -ine

fluorine Usage Examples

Converse of object

  • contain: Belgium is banning several products containing fluorine because it causes ' brittle bone disease ' .
  • introduce: New methods of introducing fluorine We continue to seek new methods of introducing fluorine to molecules.
  • add: To achieve the speed gain, researchers at the University of Southampton added fluorine to the silicon devices.
  • consider: It will consider fluorine when the findings of a review of fluorine by the Expert Group on Vitamins and Minerals are available.
  • produce: The use of electricity produced the fluorine at the positive terminal.
  • include: The snag comes if you try to expand the argument to include fluorine.

Adjective modifier

  • elemental: A novel approach using elemental fluorine, J Fluorine Chem, 69, 19-24.

Modifies a noun

  • atom: In addition, each fluorine atom has 3 very active lone pairs of electrons.
  • chemistry: In addition the School of Chemistry has two dedicated areas for fluorine chemistry.
  • compound: The atmospheric fluorine compounds include inorganic gases and particles, and about a dozen organic compounds.
  • content: It is generally believed that the exceptional development of igneous layering in Gardar intrusions reflects universally high magmatic fluorine contents.
  • concentration: The fluorine concentrations in the Beverages group in the Canadian study were 1.2 mg/kg compared with 1.1 mg/kg in this study.
  • gas: At about 662 degrees Fahrenheit, fluorine gas is released.

Noun used with modifier

  • and/or: There is a reaction between the aluminum oxide and the cryolite to produce a range of complex ions involving aluminum, oxygen and/or fluorine.
  • element: HALIDES Binary compounds containing anions of the elements fluorine, chlorine, bromine, iodine or astatine.

Preposition: in

  • water: Fluorine in drinking water Drinking water can also be a significant source of exposure to fluorine.

Preposition: for

  • process: Fluorine for the manufacturing process was generated on-site by electrolysis of a molten metallic fluoride ( perhaps potassium fluoride KF?