Dictionary

bolus

noun bo·lus \ˈbō-ləs\
plural bo·lus·es

Definition of BOLUS

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
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Origin of BOLUS

Late Latin, from Greek bōlos lump
First Known Use: 1562

Other Pharmacology Terms

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

Rhymes with BOLUS

Medical Dictionary

bolus

noun bo·lus \ˈbō-ləs\
plural bo·lus·es

Medical Definition of BOLUS

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>

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