From Longman Dictionary of Contemporary Englishammeteram‧me‧ter /ˈæmɪtə, ˈæmˌmiːtə $ -ər/ noun [countable] HPEa piece of equipment used to measure the strength of an electric current
Examples from the Corpus
ammeter• Normally, the current flowing in a circuit is measured by connecting an ammeter into the circuit.• Because the Hall effect ammeter measures the current remotely, it imposes no load on the system.• What about the voltage control box and do I need to change the ammeter?• The ammeter can be left in but may show full deflection if the battery is in a very discharged condition. 