[ am-per-ij, am-peer- ]

  1. the strength of an electric current measured in amperes. Abbreviation: amp.

Origin of amperage

First recorded in 1890–95; ampere + -age

Words Nearby amperage Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use amperage in a sentence

  • The infrastructure—the voltage and the amperage required to charge them in large quantities in my districts—that’s going to be a heavy load for the utilities, and I’m more concerned about that than I am about the ability of the truck to do the job.

  • Well that’s when we usually start talking about mold, having to install an entirely new electrical panel with more amperage, and roof or structural issues.

  • An armature wound with very fine wire will deliver a current of high voltage but of low amperage.

    Aviation Engines | Victor Wilfred Pag
  • An armature winding of large wire will deliver a current of great amperage, but of small voltage.

    Aviation Engines | Victor Wilfred Pag
  • The "series" wiring gives the entire set the combined voltage of all with the average amperage of one.

    The Gasoline Motor | Harold Whiting Slauson

British Dictionary definitions for amperage


/ (ˈæmpərɪdʒ) /

  1. 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