bolus

[ boh-luh s ]
/ ˈboʊ ləs /
SEE SYNONYMS FOR bolus ON THESAURUS.COM

noun, plural bo·lus·es.

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.
bole2.

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Origin of bolus

1595–1605; < Late Latin bōlus clod of earth < Greek bôlos clod, lump; see bole2

Words nearby bolus

bolton, boltonia, boltrope, boltzmann, boltzmann constant, bolus, bolyai, bolzano, bolzano-weierstrass theorem, bolívar, bolívar, simón
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Words related to bolus

medicine, tablet, dose, pellet, pill, bullet, lozenge, troche, cap, food, chew, rumen, quid, stone, ball, shot, wad, mass, rock, pebble

Example sentences from the Web for bolus

British Dictionary definitions for bolus

bolus
/ (ˈbəʊləs) /

noun plural -luses

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

Word Origin for bolus

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

Medical definitions for bolus

bolus
[ bō′ləs ]

n. pl. bo•lus•es

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.