Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An additional dose of an immunizing agent, such as a vaccine or toxoid, given at a time after the initial dose to sustain the immune response elicited by the previous dose of the same agent. Also called booster dose.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A dose of an antigen designed to strengthen immunity after an earlier immunizing dose.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. an additional dose that makes sure the first dose was effective

Etymologies

Sorry, no etymologies found.

Examples

Sorry, no example sentences found.

Wordnik is becoming a not-for-profit! Read our announcement here.

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.