ohmmeter

[ohm-mee-ter]

noun

Electricity.

1. an instrument for measuring electric resistance in ohms.

ohmmeter

/ ˈəʊmˌmiːtə /

noun

1. an instrument for measuring electrical resistance

ohmmeter

1. An instrument used for direct measurement of the electrical resistance of a material or electronic component, usually in ohms. Ohmmeters typically use an ammeter to measure current through the material after it has been given some set voltage by the ohmmeter; the direct-current resistance of the sample can then be directly determined through Ohm's law.

2. Compare voltmeter

Word History and Origins

Origin of ohmmeter¹

First recorded in 1895–1900; ohm + -meter

Example Sentences

“A doorbell, sir? Or a Morse beacon? An ohmmeter?”

From Literature

All the voltmeters and ohmmeters mentioned owe their method of working to what is known as Ohm's law.

From Project Gutenberg