Bolus Definition
bōləs
boluses
noun
A round mass.
American Heritage
A mass injected into a blood vessel, as an opaque contrast medium or a radioactive tracer.
Webster's New World
A single, relatively large quantity of a substance, such as a dose of a drug, intended for therapeutic use and taken orally.
American Heritage
A small, round lump or mass, as of chewed food.
Webster's New World
A concentrated mass of a substance administered intravenously for diagnostic or therapeutic purposes.
American Heritage
pronoun
A botanical plant name author abbreviation for botanist Harry Bolus (1834-1911).
Wiktionary
Other Word Forms of Bolus
Noun
Singular:
bolus
Plural:
bolusesOrigin of Bolus
From Late Latin bōlus (“clod of earth, lump”), from Ancient Greek βωλος (bōlos, “clod, lump”).
From Wiktionary
Medieval Latin bōlus from Greek bōlos lump of earth
From American Heritage Dictionary of the English Language, 5th Edition
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