electrometer
noun
elec·trom·e·ter
i-ˌlek-ˈträ-mə-tər 
: any of various instruments for detecting or measuring potential differences or ionizing radiations by means of the forces of attraction or repulsion between charged bodies
Examples of electrometer in a Sentence
Recent Examples on the Web
Thomson devised the quadrant electrometer to measure electric charge.
—
IEEE Spectrum, 2 June 2024
At the time of his death, Richmann had been attempting to replicate the sentry box experiment, but with the twist of hooking up an electrometer to measure the force of the atmospheric electricity.
—IEEE Spectrum, 1 Apr. 2023
Invented in the early 1870s by a doctoral student at Heidelberg University named Gabriel Lippmann, the capillary electrometer was able to measure tiny electrical changes when a voltage was applied.
—IEEE Spectrum, 29 Jan. 2021
British physiologist Augustus Waller is usually credited with recording the first human ECG in 1887, using a device called a capillary electrometer.
—IEEE Spectrum, 29 Jan. 2021
In 1893, Dutch physiologist Willem Einthoven refined the capillary electrometer to show the voltage graph of a heartbeat cycle and the cycle’s five distinct deflections.
—IEEE Spectrum, 29 Jan. 2021
Using an instrument called an electrometer, built by Pierre and his brother, Marie measured the mysterious rays emitted by thorium and uranium.
—Adam Hadhazy, Discover Magazine, 10 Oct. 2019
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IEEE Spectrum, 2 June 2024
At the time of his death, Richmann had been attempting to replicate the sentry box experiment, but with the twist of hooking up an electrometer to measure the force of the atmospheric electricity.
—IEEE Spectrum, 1 Apr. 2023
Invented in the early 1870s by a doctoral student at Heidelberg University named Gabriel Lippmann, the capillary electrometer was able to measure tiny electrical changes when a voltage was applied.
—IEEE Spectrum, 29 Jan. 2021
British physiologist Augustus Waller is usually credited with recording the first human ECG in 1887, using a device called a capillary electrometer.
—IEEE Spectrum, 29 Jan. 2021
In 1893, Dutch physiologist Willem Einthoven refined the capillary electrometer to show the voltage graph of a heartbeat cycle and the cycle’s five distinct deflections.
—IEEE Spectrum, 29 Jan. 2021
Using an instrument called an electrometer, built by Pierre and his brother, Marie measured the mysterious rays emitted by thorium and uranium.
—Adam Hadhazy, Discover Magazine, 10 Oct. 2019
Cite this Entry
“Electrometer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electrometer. Accessed 14 Jul. 2025.
Copy CitationMedical Definition
electrometer
noun
elec·trom·e·ter
i-ˌlek-ˈträm-ət-ər
: any of various instruments for detecting or measuring electric-potential differences or ionizing radiations by means of the forces of attraction or repulsion between charged bodies
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