an instrument for measuring small electric currents, calibrated in milliamperes.

1900–05; milliam(pere) + -meter Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To milliammeter
Example sentences
One, but not both, of the indicators required by this regulation may be a milliammeter labeled to indicate x-ray tube current.
Drop lines are generally powered by flashlight batteries and equipped with a milliammeter.
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