<p><strong>Noun:</strong></p><ul><li>A quantity of medicine prescribed to be taken at one time.</li><li>A substance, situation, or quantity of anything analogous to medicine, especially of something disagreeable: Failing the exam was a hard dose to swallow.</li><li>An amount of sugar added in the production of champagne.</li><li>Physics: Also called absorbed dose. The quantity of ionizing radiation absorbed by a unit mass of matter, especially living tissue, measured in grays: although increasingly disfavored, in the U.S. an absorbed dose may still be measured in rads.</li><li>Slang: A case of gonorrhea or syphilis.</li></ul><p><strong>Verb (used with object):</strong></p><ul><li>To administer in or apportion for doses.</li><li>To give a dose of medicine to.</li><li>To add sugar to (champagne) during production.</li></ul><p><strong>Verb (used without object):</strong></p><ul><li>To take a dose of medicine.</li></ul>