noun
bolus
BOH-luhs
noun
1
A small rounded mass, especially of chewed food or medicine.
"The food formed a bolus before being swallowed."
2
A single large dose of a drug given all at once, rather than gradually.
"The nurse administered a bolus of insulin before the meal."
How to Use Bolus
Learner’s notesIn plain EnglishA rounded lump, or in medicine, one concentrated dose given at once.
Word Forms
bolused past tense, boluses plural, boli plural, boluses singular
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Etymology
From Late Latin bōlus, "a lump," from Greek bôlos meaning "clod" or "lump."