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wattmeter

[ wot-mee-ter ]

noun

, Electricity.
  1. a calibrated instrument for measuring electric power in watts.


wattmeter

/ ˈwɒtˌmiːtə /

noun

  1. a meter for measuring electric power in watts
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of wattmeter1

First recorded in 1885–90; watt + -meter
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Example Sentences

Beginning at the top and enumerating them in order these instruments are: Three ammeters, one for each phase, a volumeter, an indicating wattmeter, a power factor indicator and a field ammeter.

The round dial instrument shown at the bottom of each row of instruments is a three-phase recording wattmeter.

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wattless componentWatts