F

F[ ef ]

• n.
  • a degree on the Fahrenheit scale of temperature

    同义词：degree Fahrenheit

  • 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

    同义词：fluorineatomic number 9

  • 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

    同义词：farad

  • the 6th letter of the Roman alphabet

    同义词：letter f