ampere-hour

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am·pere-hour

(ăm′pîr-our′)

n. Abbr. A.h. or amp hr

The electric charge transferred past a specified circuit point by a current of one ampere in one hour.

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.

ampere-hour

(Units) a practical unit of quantity of electricity; the quantity that flows in one hour through a conductor carrying a current of 1 ampere. 1 ampere-hour is equivalent to 3600 coulombs. Abbreviation: a.h.

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

am′pere-hour′

a unit of electric charge equal to the amount of electricity transferred by a current of one ampere in one hour. Abbr.: Ah, amp-hr, amp. hr.

[1880–85]

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Noun

ampere-hour - a unit of charge equal to 3600 coulombs

charge unit, quantity unit - a measure of the quantity of electricity (determined by the amount of an electric current and the time for which it flows)

ampere-minute - a unit of charge equal to 60 coulombs

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