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An instrument for measuring in watts the power flowing in a circuit.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Electronics) a meter for measuring electric power in watts
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈwɒtˌmi tər)

a calibrated instrument for measuring electric power in watts.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.wattmeter - an instrument for measuring in watts the flow of power in an electrical circuit
measuring device, measuring instrument, measuring system - instrument that shows the extent or amount or quantity or degree of something
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
3) Watt Meter (Measuring only one phase of a three-phase circuit)
However, Green Star awardees can check out a watt meter to see exactly how much their equipment consumes.
Typical testing includes thermographic scans and infrared cameras to determine air leakage and insulation; a blower door test, which depressurizes the home and simulates the effect of a 20 mph wind to find air leaks; and watt meter measurements to test energy usage by various devices throughout the house.
The Alliance to Save Energy gave each participating school an energy audit calculator and a watt meter. Lockheed Martin volunteers were also available to offer assistance.
All the controls and indicators--on/off, fuel shutoff, choke, circuit breakers, watt meter and hour meter--are located on the control panel, a smart design since you'll most likely be using it in the dark.
In order to get a better understanding of how much power an item uses in standby mode, consumers can purchase a handheld watt meter to measure the electricity usage on each appliance.
"I took the watt meter on campus and tested the monitors and everything to see how much energy they use."