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[am-per-ij, am-peer-] /ˈæm pər ɪdʒ, æmˈpɪər-/
noun, Electricity.
the strength of an electric current measured in amperes.
Abbreviation: amp.
Origin of amperage
First recorded in 1890-95; ampere + -age Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for amperage
Historical Examples
  • The amperage, on the other hand, is that of the six cells combined, or 150.

    Motors James Slough Zerbe
  • Voltage, amperage, and watt or kilowatt are the terms in common use.

  • The name plates on electric motors indicate the amperage at full load.

  • Then he defines the wave-form, voltage, and amperage entering the circuit and defines whatever is coming out.

    With No Strings Attached Gordon Randall Garrett (AKA David Gordon)
  • Then the voltage is lowered to a suitable rate, and the amperage raised in proportion, by special machinery, at the point of use.

    Electricity for the farm Frederick Irving Anderson
  • That gun carried thousands of volts, with lots of amperage behind them, and if I had had a good hold on it I couldn't have let go.

    The Skylark of Space

    Edward Elmer Smith and Lee Hawkins Garby
  • It went out at a frequency of about 1,000 kilocycles, had an amperage of approximately zero, but a voltage of two billion.

    The Airlords of Han Philip Francis Nowlan
British Dictionary definitions for amperage


the magnitude of an electric current measured in amperes, esp the rated current of an electrical component or device
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 Origin and History for amperage

strength of an electric current, 1889, from ampere on model of voltage.

Online Etymology Dictionary, © 2010 Douglas Harper
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