ohm
|ohm|
B2
🇺🇸
/oʊm/
🇬🇧
/əʊm/
unit of resistance
Etymology
Etymology Information
'ohm' originates from the name of the German physicist 'Georg Simon Ohm', who formulated Ohm's Law.
Historical Evolution
'Ohm' was adopted into English from the German word 'Ohm', named after the physicist.
Meaning Changes
Initially, it referred to the physicist's name, but over time it evolved into its current meaning as a unit of electrical resistance.
Meanings by Part of Speech
Noun 1
the SI unit of electrical resistance, symbolized by Ω, representing the resistance between two points of a conductor when a constant potential difference of 1 volt applied to these points produces a current of 1 ampere.
The resistor has a resistance of 10 ohms.
Last updated: 2025/04/05 20:53