(metrology) An SI unit of electrical potential equal to 10⁻⁹ volts. Symbol: nV

One million ( 10⁶ ) volts, abbreviated as MV.

One million million (10¹²) volts, abbreviated as TV.

One thousand ( 10³ ) volts. Symbol: kV or KV.

Alternative spelling of millivolt

One millionth (10⁻⁶) of a volt, abbreviated as µV.

One million electron volts, abbreviated as MeV.

One thousand million electron volts, abbreviated as GeV

(physics) A unit for measuring the energy of subatomic particles; the energy equal to that attained by an electron moving through a potential difference of one volt. Equivalent to 1.6022 x 10⁻¹⁹ joules.

The unit of apparent power in an electrical circuit, equal to the product of root-mean-square (RMS) voltage and RMS current. Symbol VA.