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bolus

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noun, bo·lus \ˈbō-ləs\

Definition of bolus

plural boluses

  1. 1 :  a rounded mass: as a :  a large pill b :  a soft mass of chewed food

  2. 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



Origin of bolus

Late Latin, from Greek bōlos lump


First Known Use: 1562

Rhymes with bolus


Medical Dictionary

bolus

play
noun bo·lus \ˈbō-ləs\

Medical Definition of bolus

plural boluses

  1. 1:  a rounded mass: asa:  a large pillb:  a soft mass of chewed food

  2. 2a:  a dose of a substance (as a drug) given intravenouslyb:  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>




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