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bolus

noun bo·lus \ ˈbō-ləs \

Definition of bolus

plural boluses
1 :a rounded mass: such as
a :a large pill
b :a soft mass of chewed food
2 medical
a :a dose of a substance (such as a drug) given intravenously
b :a large dose of a substance given by injection for the purpose of rapidly achieving the needed therapeutic concentration in the bloodstream

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Origin and Etymology of bolus

Late Latin, from Greek bōlos lump

Other Pharmacology Terms

anodyne, cathartic, emetic, emollient, liniment, paregoric, poultice, purgative, soporific, spectrum

Medical Dictionary

bolus

noun bo·lus \ ˈbō-ləs \

medical Definition of bolus

plural boluses
1 :a rounded mass: as
a :a large pill
b :a soft mass of chewed food
2 a :a dose of a substance (as a drug) given intravenously
b :a large dose of a substance given by injection for the purpose of rapidly achieving the needed therapeutic concentration in the bloodstream
  • the patient receives a bolus dose to reach the minimum effective analgesic concentration
  • —J. F. Camp
  • subcutaneous injection of a premeal bolus of fast-acting insulin

Learn More about bolus

  1. See words that rhyme with bolus Nglish: Translation of bolus for Spanish speakers Britannica.com: Encyclopedia article about bolus

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