English dictionary, thesaurus, translations & etymology
FreeDict.com
noun

ohm

ohm
noun
1
The standard unit of electrical resistance.
"The resistor is rated at 100 ohms."

How to Use Ohm

Learner’s notes

In plain EnglishThe unit used to measure how much a material resists the flow of electric current.

Common pairings
measured in ohms 100-ohm resistor

Word Forms

ohms plural

Study it as flashcards or scroll it in Flow — saved to your collection.
Test yourself on “ohm” A quick quiz — meaning, synonyms & usage

Fill the Gap

Can you complete this real example?

The resistor is rated at 100 _____.

Etymology

Named after the German physicist Georg Ohm, who described the relationship between voltage, current, and resistance.

Rhymes for ohm

See all rhymes for ohm →
Definitions: FreeDict original editorial