Meaning & use
ohm
The standard unit of electrical resistance, defined as the resistance producing a one-volt drop per one ampere of current.
See it in a sentence
The resistor was labeled 100 ohms, limiting how much current could flow.
A multimeter can measure electrical resistance directly, giving a reading in ohms.
A note on using this word
The ohm is named after physicist Georg Ohm and is represented by the Greek letter omega, written Ω.
Words with a similar meaning
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