noun🔗ShareOhmIn the International System of Units, the derived unit of electrical resistance; the electrical resistance of a device across which a potential difference of one volt causes a current of one ampere. Symbol: Ω"The resistor in the circuit has a value of 10 ohms. "La résistance dans le circuit a une valeur de 10 ohms.physicselectronicsenergyunittechnicaldevicescienceChat with AIVocabulary GamePractice Reading