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[wot-mee-ter] /ˈwɒtˌmi tər/
noun, Electricity
a calibrated instrument for measuring electric power in watts.
Origin of wattmeter
1885-90; watt + -meter Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for wattmeter
  • Heaters shall be connected to an electrical supply circuit of nameplate voltage with a wattmeter installed in the circuit.
  • Automatic dimming and/or switching can be verified with a temporary wattmeter on the electric lighting circuits.
  • Then, although the unit wattmeter makes a visible swing, it and the currents and stresses are still well within normal range.
  • Connects appliance to power source and test meters such as wattmeter, ammeter, or voltmeter.
British Dictionary definitions for wattmeter


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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