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W,23d letter of the alphabetalphabet
[Gr. alpha-beta, like Eng. ABC], system of writing, theoretically having a one-for-one relation between character (or letter) and phoneme (see phonetics). Few alphabets have achieved the ideal exactness.
..... Click the link for more information. , in form a doubled u or v. It is the usual symbol of a voiced bilabial semivowel, as in the English wing. The same semivowel occurs as second member of the dipthongs au (as in house), ō, and o͞o. In twice the w represents a voiceless semivowel, which is heard also in some dialects that distinguish between where and wear. In chemistry W is the symbol for the element tungstentungsten
[Swed.,=heavy stone], metallic chemical element; symbol W; at. no. 74; at. wt. 183.84; m.p. about 3,410°C;; b.p. 5,660°C;; sp. gr. 19.3 at 20°C;; valence +2, +3, +4, +5, or +6.
..... Click the link for more information. .
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McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
1. Abbr. for watt.
2. On drawings, abbr. for “west.”
3. On drawings, abbr. for “width.”
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
wattThe standard unit of measurement of electrical power. One watt is one ampere of current flowing at one volt. Watts are typically rated as AMPS x VOLTS or VOLT-AMP (V-A). However, this rating is only equivalent to watts when it applies to devices that absorb all the energy, such as electric heating coils or incandescent light bulbs. With computer power supplies, the actual watt rating is only 60% to 70% of the VOLT-AMP rating.
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