—n. 1. a quantity of medicine prescribed to be taken at one time.
2. a substance, situation, or quantity of anything analogous to medicine, esp. of something disagreeable: Failing the exam was a hard dose to swallow. 3. an amount of sugar added in the production of champagne.
4. Physics. a. Also calledabsorbed dose. the quantity of ionizing radiation absorbed by a unit mass of matter, esp. living tissue: measured in gray or rad.
b. See exposure dose. 5. Slang.a case of gonorrhea or syphilis.
—v.t. 1. to administer in or apportion for doses.
2. to give a dose of medicine to.
3. to add sugar to (champagne) during production.