ampere-hour

[ am-peer-ouuh r, -ou-er, am-peer- ]
/ ˈæm pɪərˈaʊər, -ˈaʊ ər, æmˈpɪər- /

noun Electricity.

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 of ampere-hour

First recorded in 1880–85

Example sentences from the Web for ampere-hour

British Dictionary definitions for ampere-hour

ampere-hour

noun

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.