Meaning: ['dʌbljuː] 
n. 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 2. the cardinal compass point that is a 270 degrees 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 4. the 23rd letter of the Roman alphabet.
n. 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 2. the cardinal compass point that is a 270 degrees 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 4. the 23rd letter of the Roman alphabet. 
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271. The power source of the PA-S25 W itself consists of the main transformer, the rectifier set with contactors, the Hf-ignitor and the pilot arc resistors for striking the pilot arc.
272. A simplified version of SGML especially designed for web documents, developed by the W 3 C.
273. The objective of this experiment is to select the basic formula of imidocarb dihydrochloride emulsion (W/O).
274. W. W. Webby thought deeply for a moment. "To walk in someone else's shoes, is to really understand them, "he said wisely.
275. W: The pile is over ten feet high. I am afraid it will fall all over and bury you underneath it if I put this file on top of it.