wattmeter

American

[wot-mee-ter] / ˈwɒtˌmi tər /

noun

Electricity.

a calibrated instrument for measuring electric power in watts.

wattmeter British

/ ˈwɒtˌmiːtə /

noun

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

Etymology

Origin of wattmeter

First recorded in 1885–90; watt + -meter

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The bicycle operated a dynamo which was connected with a number of electric lamps and a wattmeter which measured the amount of energy each subject was capable of expending.

From Time Magazine Archive

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

From The New York Subway Its Construction and Equipment by Anonymous

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.

From The New York Subway Its Construction and Equipment by Anonymous

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023