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amp-hr

1.
Electricity, ampere-hour.
Also, amp. hr.

ampere-hour

[am-peer-ouuh r, -ou-er, am-peer-] /ˈæm pɪərˈaʊər, -ˈaʊ ər, æmˈpɪər-/
noun, Electricity
1.
a unit of electric charge noting the amount of electricity transferred by a current of one ampere in one hour, equal to 3600 coulombs.
Abbreviation: Ah, amp-hr, amp. hr.
Origin
1880-1885
1880-85
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for amphr

ampere-hour

noun
1.
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 a.h.
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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