We use cookies to enhance your experience on our website. By continuing to use our website, you are agreeing to our use of cookies. You can change your cookie settings at any time. Find out more

Subscriber login

Library card login

Other

X Close menu

Dictionary Language resources

bolus

Syllabification: (bo·lus)

Pronunciation: /ˈbōləs/

Definition of bolus

noun (plural boluses)

a small rounded mass of a substance, especially of chewed food at the moment of swallowing.
a type of large pill used in veterinary medicine.
Medicine a single dose of a drug or other medicinal preparation given all at once.