Which definition of W do you mean?

  • Tungsten n a heavy grey-white metallic element; the pure form is used mainly in electrical applications; it is found in several ores including wolframite and scheelite
  • W n the 23rd letter of the Roman alphabet
  • Watt n a unit of power equal to 1 joule per second; the power dissipated by a current of 1 ampere flowing across a resistance of 1 ohm
  • West n the cardinal compass point that is a 270 degrees