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Longman Dictionary of Contemporary English
ammeter
noun
EXAMPLES FROM CORPUS
▪ Because the Hall effect ammeter measures the current remotely, it imposes no load on the system.
▪ Normally, the current flowing in a circuit is measured by connecting an ammeter into the circuit.
▪ The ammeter can be left in but may show full deflection if the battery is in a very discharged condition.
▪ What about the voltage control box and do I need to change the ammeter?
The Collaborative International Dictionary
Ammeter

Ammeter \Am"me*ter\, n. (Physics) A contraction of amperometer or amp[`e]remeter.

Douglas Harper's Etymology Dictionary
ammeter

instrument for measuring the strength of electric currents, 1882, from ampere + -meter.

Wiktionary
ammeter

alt. A device that measures the magnitude of an electric current, especially one calibrated in amperes. n. A device that measures the magnitude of an electric current, especially one calibrated in amperes.

WordNet
ammeter

n. a meter that measures the flow of electrical current in amperes

Wikipedia
Ammeter

An ammeter is a measuring instrument used to measure the current in a circuit. Electric currents are measured in amperes (A), hence the name. Instruments used to measure smaller currents, in the milliampere or microampere range, are designated as milliammeters or microammeters. Early ammeters were laboratory instruments which relied on the Earth's magnetic field for operation. By the late 19th century, improved instruments were designed which could be mounted in any position and allowed accurate measurements in electric power systems.

Usage examples of "ammeter".

It consisted of a metal wand, wire, and a case with 20 lbs of batteries and a micro ammeter that was useless in the middle of a herd in the dark.

It consisted of a metal wand, wire, and a case with 20 lbs of batteries and a micro ammeter that was useless in the middle of a herd in the dark.

In moments the ammeter connected with the disrupter beam began to rise so rapidly that Morey watched it with some concern.

An engine hung on chains from an I beam above garage disorder, tanks, tool cabinets, oilcans, ammeters, tires, tire lever and well, a folding chair behind a worktable of mallets, a board of car rings on hooks, vises and clamps and greasy rags everywhere, a beaded curtain marking off a personal area, and Arkady realized that he was directly below Pribluda's parlor.

Next he checked a bank of three ammeters, switching the monitor controls through each of the fuel cells to check their output.

Now instrument-needles were moving all over the panel: oil pressure, vacuum gauge, ammeter, voltmeter, heading indicator, artificial horizon, navigation indicators.