noun
ohm
ohm
noun
1
The standard unit of electrical resistance.
"The resistor is rated at 100 ohms."
How to Use Ohm
Learner’s notesIn 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
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The resistor is rated at 100 _____.
Etymology
Named after the German physicist Georg Ohm, who described the relationship between voltage, current, and resistance.