- ampere, international ampere - a former unit of electric current (slightly smaller than the SI ampere)
--1 is a kind of current unit
- ampere, amp, A - the basic unit of electric current adopted under the Systeme International d'Unites; "a typical household circuit carries 15 to 50 amps"
--2 is a kind of current unit
--2 is a part of abampere, abamp
--2 has parts: milliampere, mA