Definition of phasemeter in US English:

phasemeter

noun

Electricity
  • An instrument which measures a phase difference between two oscillations or waveforms, especially that between an alternating current and the corresponding voltage (hence giving the power factor).

Origin

Late 19th century. From phase + meter, after German Phasenmeter.

Pronunciation

phasemeter

/ˈfeɪzmiːtə/