Definitions

1. noun

A rounded mass of food, typically a large dose of a medicine given in a single administration, or a type of oral contraceptive.

“The doctor ordered a large bolus of antibiotics to help the patient recover.”

2. verb

To administer a large dose of a medicine in a single administration.

“The nurse bolused the medication to the patient’s IV line.”

3. noun

A mass of magma that has been ejected from a volcano and has solidified in mid-air.

“The scientists observed a large bolus of lava ejected from the volcano during the eruption.”