wattmeter

[ wot-mee-ter ]

/ ˈwɒtˌmi tər /

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noun Electricity.

a calibrated instrument for measuring electric power in watts.

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Origin of wattmeter

First recorded in 1885–90; watt + -meter

Words nearby wattmeter

Watt, James, wattle, wattle and daub, wattlebird, wattless component, wattmeter, Watts, Watts-Dunton, watt-second, Watts riots, Watusi

How to use wattmeter in a sentence

Fig. 73 shows a direct reading wattmeter based on the international volt and ampere.
Things a Boy Should Know About Electricity|Thomas M. (Thomas Matthew) St. John
We will now take the reading of the wattmeter, note the time and read it again later.
The Library of Work and Play: Electricity and Its Everyday Uses|John F. Woodhull
I will now take you to see the wattmeter which measures all the electric energy used in this building.
The Library of Work and Play: Electricity and Its Everyday Uses|John F. Woodhull
We counted the revolutions of the wattmeter and found them to be sixty per minute.
The Library of Work and Play: Electricity and Its Everyday Uses|John F. Woodhull

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

British Dictionary definitions for wattmeter

wattmeter

/ (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