definitions

booster

[ boo-ster ]
/ ˈbu stər /
SEE MORE SYNONYMS FOR booster ON THESAURUS.COM

noun

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RELATED WORDS

booster, immunization, vaccine

Nearby words

boorish, booshit, boost, boost phase, boost-start, booster, booster cable, booster dose, booster seat, boosterish, boosterism

Origin of booster

An Americanism dating back to 1885–90; boost + -er1

Related forms

boost·er·ish, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for booster dose (1 of 2)

booster dose

noun

a supplementary injection of a vaccine given to maintain the immunization provided by an earlier dose

British Dictionary definitions for booster dose (2 of 2)

booster

/ (ˈbuːstə) /

noun

a person or thing that supports, assists, or increases power or effectiveness
Also called: launch vehicle the first stage of a multistage rocket
radio television
  1. a radio-frequency amplifier connected between an aerial and a receiver to amplify weak incoming signals
  2. a radio-frequency amplifier that amplifies incoming signals, retransmitting them at higher power
another name for supercharger
short for booster dose
slang, mainly US a shoplifter
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for booster dose

booster

[ bōō′stər ]

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.booster dose booster shot
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for booster dose

booster

[ bōō′stər ]

An additional dose of an immunizing agent, such as a vaccine or toxoid, given at a time period of weeks to years after the initial dose to sustain the immune response elicited by the first dose. Tetanus, diphtheria, and measles vaccines are commonly given in booster doses.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.