: an instrument for indicating resistance in ohms directly

Word History

Etymology

International Scientific Vocabulary

First Known Use

1884, in the meaning defined above

Time Traveler
The first known use of ohmmeter was in 1884

Browse Nearby Words

Cite this Entry

“Ohmmeter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ohmmeter. Accessed 7 Jul. 2026.

Kids Definition

: an instrument for indicating resistance in ohms directly

Medical Definition

: an instrument for indicating resistance in ohms directly

More from Merriam-Webster on ohmmeter

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!