: an instrument for measuring electric current especially in amperes
Example Sentences
Recent Examples on the WebIts voltage controller also transfers a consistent stream of energy to your device, and a digital ammeter provides information about amperage for charging speed. Gabrielle Hondorp, Popular Mechanics, 2 July 2020 Start hunting by putting your ammeter in series with the battery's ground circuit. Mike Allen, Popular Mechanics, 26 Jan. 2017 Disconnect the battery's ground cable and wire the ammeter in series between the battery terminal and the cable. Mike Allen, Popular Mechanics, 26 Jan. 2017
Word History
Etymology
am(pere) + -meter
First Known Use
1882, in the meaning defined above
Kids Definition
ammeter
noun
am·me·ter ˈam-ˌēt-ər
: an instrument for measuring electric current in amperes
Medical Definition
ammeter
noun
am·me·ter ˈam-ˌēt-ər
: an instrument for measuring electric current in amperes compare milliammeter