- Pharmacology, Veterinary Medicine. a round mass of medicinal material, larger than an ordinary pill. Abbreviation: bol.
- a soft, roundish mass or lump, especially of chewed food.
Origin of bolus
1595–1605; < Late Latin bōlus clod of earth < Greek bôlos clod, lump; see bole2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for bolus
But whatever $54 million antibiotic the bolus of cash might produce will itself become useless after a year or a decade.Drug-Resistant Gonorrhea, the ‘Sex Superbug,’ Is Not Worse Than AIDS
May 7, 2013
And gave it to him,—a bolus as large as a musket ball, and as heavy.The Story of a Mine
There you sit snoring, forgetting her ills; Who is to give her her Bolus and Pills?The Book of Humorous Verse
The dose is two drachms in powder, or the same made into a bolus.The Mystery and Romance of Alchemy and Pharmacy
Charles John Samuel Thompson
Basilie powder one scruple, conserve of wormwood, a sufficient quantity to make into one bolus for an adult.
Anti-emetic and anti-flatulent; in colic, diarrha, &c.; in the form of a bolus, or made into a mixture.
- a small round soft mass, esp of chewed food
- an intravenous injection of a single dose of a drug over a short period
- obsolete a large pill or tablet used in veterinary and clinical medicine
- another word for bole 2
C17: from New Latin, from Greek bōlos clod, lump
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- A round mass.
- A single, relatively large dose of a drug that is administered for therapeutic purposes and taken orally.
- A concentrated mass of a pharmaceutical substance administered intravenously for therapeutic or diagnostic purposes.
- A soft mass of chewed food within the mouth or alimentary canal.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.