<p><strong>Noun</strong></p><ul><li>The standard unit of electrical resistance in the International System of Units (SI), formally defined to be the electrical resistance between two points of a conductor when a constant potential difference applied between these points produces in this conductor a current of one ampere.</li><li>The resistance in ohms is numerically equal to the magnitude of the potential difference.</li><li>Abbreviated as: Ω</li></ul>