dose (d?s)n.1. a. A specified quantity of a therapeutic agent, such as medicine, prescribed to be taken at one time or at stated intervals.b. The amount of radiation administered as therapy to a given site.2. An ingredient added, especially to wine, to impart flavor or strength.3. An amount, especially of something unpleasant, to which one is subjected: a dose of hard luck.4. Slang A venereal infection.tr.v. dosed, dos·ing, dos·es 1. To give (someone) a dose, as of medicine.2. To give or prescribe (medicine) in specified amounts.[French, from Late Latin dosis, from Greek, something given, from didonai, to give; see d?- in Indo-European roots.]dos?er n.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.dose (d??s) n1. (Pharmacology) med a specific quantity of a therapeutic drug or agent taken at any one time or at specified intervals2. informal something unpleasant to experience: a dose of influenza. 3. (General Physics) Also called: dosage the total energy of ionizing radiation absorbed by unit mass of material, esp of living tissue; usually measured in grays (SI unit) or rads4. (Brewing) Also called: dosage a small amount of syrup added to wine, esp sparkling wine, when the sediment is removed and the bottle is corked5. (Pathology) slang a venereal infection, esp gonorrhoea6. like a dose of salts very quickly indeedvb (tr) 7. (Medicine) to administer a dose or doses to (someone)8. (Pharmacology) med to give (a therapeutic drug or agent) in appropriate quantities9. (Pharmacology) (often foll by up) to give (someone, esp oneself) drugs, medicine, etc, esp in large quantities10. (Brewing) to add syrup to (wine) during bottling[C15: from French, from Late Latin dosis, from Greek: a giving, from didonai to give] ?doser nCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014dose (do?s) n., v. dosed, dos?ing. n. 1. a quantity of medicine prescribed to be taken at one time. 2. an intense and often disagreeable experience: a dose of bad luck. 3. an amount of sugar solution added in the production of sparkling wine. 4. the amount of radiation to which something has been exposed or the amount that has been absorbed by a given mass of material, esp. living tissue. 5. Slang. a case of gonorrhea. v.t. 6. to give a dose of medicine to. 7. to administer in doses. 8. to add sugar to (wine) during production. v.i. 9. to take a dose of medicine. [1590?1600; earlier dos