Which definition of F do you mean?

  • Degree Fahrenheit n a degree on the Fahrenheit scale of temperature
  • F n the 6th letter of the Roman alphabet
  • Farad n the capacitance of a capacitor that has an equal and opposite charge of 1 coulomb on each plate and a voltage difference of 1 volt between the plates
  • Fluorine n 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