As nouns the difference between voltmeter and volumeter
is that voltmeter is an instrument for measuring electric potential in volts while volumeter is any instrument used to measure the volume of a substance.
voltmeter
Alternative forms
* voltmetre (nonstandard)
Noun
(
en noun)
An instrument for measuring electric potential in volts.
volumeter
English
Noun
(
en noun)
Any instrument used to measure the volume of a substance.
Related terms
* volumetric
* volumetry