w meaning and definition

W noun

Definition of W (noun)

1. 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
   • synonyms: atomic number 74, tungsten, wolfram
2. the cardinal compass point that is a 270 degrees
   • synonyms: due west, west, westward
3. 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
   • synonyms: watt
4. the 23rd letter of the Roman alphabet
   • synonyms: double-u
5. the 23rd letter of the Roman alphabet
   • synonyms: double-u