ampere-hour

noun
am·​pere-hour | \ ˈam-ˌpir-ˈau̇(-ə)r How to pronounce ampere-hour (audio) also -ˌper- \

Definition of ampere-hour

: a unit quantity of electricity equal to the quantity carried past any point of a circuit in one hour by a steady current of one ampere

First Known Use of ampere-hour

1883, in the meaning defined above

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The first known use of ampere-hour was in 1883

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Cite this Entry

“Ampere-hour.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ampere-hour. Accessed 17 Jun. 2021.

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