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tungsten, W, 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 | |
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watt, W | 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 | |
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west, W, due west, westward | the cardinal compass point that is a 270 degrees | |
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W, w, double-u | the 23rd letter of the Roman alphabet |