ammeter

American  

[am-mee-ter] / ˈæmˌmi tər /

noun

Electricity.

1. an instrument for measuring current in amperes.

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ammeter British  

/ ˈæmˌmiːtə /

noun

1. an instrument for measuring an electric current in amperes

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ammeter Scientific  

/ ăm′mē′tər /

1. An instrument that measures the strength of an electric current, indicating it in amperes. Ammeters typically include a galvanometer; digital ammeters typically include A/D converters as well.

2. Compare ohmmeter voltmeter

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Etymology

Origin of ammeter

First recorded in 1880–85; am(pere) + -meter

Example Sentences

What would happen if you were measuring voltage but accidentally put the meter in the ammeter mode?

From Textbooks • Aug. 12, 2015

An ammeter is placed in series in the branch of the circuit being measured, so that its resistance adds to that branch.

From Textbooks • Aug. 12, 2015

The circuit shown in the figure below includes a resistor R in series with a battery along with an ammeter and voltmeter to measure the current and voltage respectively.

From Textbooks • Aug. 12, 2015

Chosen to compile the book were Norris and Ross McWhirter, twin grandsons of Scottish Inventor William McWhirter, who built the first in dicating voltmeter and ammeter.

From Time Magazine Archive

We could make one in the same way as we made the ammeter of the last letter but there are other better ways of which I’ll tell you later.

From Letters of a Radio-Engineer to His Son by Mills, John