D defs.my
Entry 1 sense Webster, 1913

Ampère hour

· IPA
01 The quantity of electricity delivered in hour by a current whose average strength is one ampère. It is used as a unit of charge quantity; …
  1. 1.
    The quantity of electricity delivered in hour by a current whose average strength is one ampère. It is used as a unit of charge quantity; the Ampere hour is equal to 3600 coulombs. The terms Ampère minute and Ampère second are sometimes similarly used.(Elec.)