booster dose

noun

Medical Definition of booster dose

: a supplementary dose of a therapeutic agent designed to increase the effectiveness of one or more previously administered doses When possible, the drug [prednisone] was administered every other day, with booster doses during hemolytic crises. — Russell E. Ware et al., The New England Journal of Medicine,, 3 Oct. 1991 especially : booster shot … vaccines may have to receive a booster dose every five years after the original series. — Marsha F. Goldsmith, The Journal of the American Medical Association, 1 June 1984

Learn More About booster dose

Dictionary Entries Near booster dose

booster

booster dose

booster shot

See More Nearby Entries 

Cite this Entry

“Booster dose.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/booster%20dose. Accessed 26 Oct. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Dog Words Quiz

  • shiba puppy more or less demanding cuddles
  • Which of the following animals has a dog in its etymology?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!