Definition of nanovoltmeter in English:

nanovoltmeter

Pronunciation /ˌnanə(ʊ)ˈvəʊltˌmiːtə/ /ˌnanə(ʊ)ˈvɒltˌmiːtə/

noun

  • A voltmeter able to measure voltages of the order of nanovolts.

Origin

1960s; earliest use found in Science. From nano- + voltmeter.