definition of
W

[1] #1 W n. [tungsten, wolfram, atomic number 74] 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. wn

[2] #2 W n. [west, due west, westward] the cardinal compass point that is a 270 degrees. wn

[3] #3 W n. [watt] 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. wn

[4] #4 W n. [w, double-u] the 23rd letter of the Roman alphabet. wn

[5] #5 W n. [w, double-u] the 23rd letter of the Roman alphabet. wn