noun🔗ShareIn 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 is marked with 100 ohms, meaning it will offer a specific amount of resistance to the flow of electricity in the circuit. "physicselectronicsunittechnicaldevicescienceChat with AIVocabulary GamePractice Reading