1. The basic unit of electric current adopted under the Système International d'Unités
   "a typical household circuit carries 15 to 50 amperes";
   - amp, A
    
2. A former unit of electric current (slightly smaller than the SI ampere)
   "Historical electrical measurements often used the international ampere before standardization";
   - international ampere

Derived forms: amperes

Type of: current unit

Part of: abamp, abampere

Encyclopedia: Ampere, New Jersey