ampere-hour

== English == === Etymology === established 1880-85, from ampere + hour. === Pronunciation === === Noun === ampere-hour (plural ampere-hours) (physics) a unit of electric charge, equal to the charge transferred by a current of one ampere in one hour through a specified point in a circuit, equal to 3600 coulombs. ==== Derived terms ==== Abbreviations: Ah, amp-hr, amp. hr. ==== Translations ==== === References === “ampere-hour”, in The American Heritage Dictionary of the English Language, 4th edition, Boston, Mass.: Houghton Mifflin, 2000, →ISBN. “ampere-hour”, in Dictionary.com Unabridged, Dictionary.com, LLC, 1995–present. "ampere-hour" in WordNet 2.0, Princeton University, 2003.