electrometer

[ ih-lek-trom-i-ter, ee-lek- ]

/ ɪ lɛkˈtrɒm ɪ tər, ˌi lɛk- /

a calibrated device used for measuring extremely low voltages.

Origin of electrometer

First recorded in 1945–50; electro- + -meter

e·lec·tro·met·ric

[ih-lek-troh-me-trik] /ɪˌlɛk troʊˈmɛ trɪk/, e·lec·tro·met·ri·cal, adjective e·lec·tro·met·ri·cal·ly, adverb e·lec·trom·e·try, noun

Major Rains brought his electrometer, and made every experiment that their ingenuity could invent or suggest.

The Missing Link in Modern Spiritualism |A. Leah Underhill
Essentially an electrometer consists of a light suspended conductor which moves within four fixed quadrants.

The New Gresham Encyclopedia |Various
In its simplest form the electrometer is called the "electroscope."

Marvels of Scientific Invention |Thomas W. Corbin
Last evening Dr. Walker called me to witness his success with the electrometer.

In the Arctic Seas |Francis Leopold McClintock

Among Sir William's other inventions we may specially mention an electrometer, which has now assumed a very complete form.

Western Worthies |J. Stephen Jeans

electrometer

/ (ɪlɛkˈtrɒmɪtə, ˌiːlɛk-) /

an instrument for detecting or determining the magnitude of a potential difference or charge by the electrostatic forces between charged bodies

electrometric (ɪˌlɛktrəʊˈmɛtrɪk) or electrometrical, adjective electrometrically, adverb electrometry, noun