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booster

[boo-ster] /ˈbu stər/
noun
1.
a person or thing that boosts, especially an energetic and enthusiastic supporter.
2.
Electricity. a device connected in series with a current for increasing or decreasing the nominal circuit voltage.
3.
Railroads. any machine, device, phenomenon, etc., that helps to move a train, as a tailwind, downgrade, roller bearings, or especially a helper locomotive.
4.
Military. an explosive more powerful than a primer, for ensuring the detonation of the main charge of a shell.
5.
Rocketry.
  1. a rocket engine used as the principal source of thrust in the takeoff of a rocket or missile.
  2. the first stage containing this engine and its fuel supply, which may or may not be detached from the rocket when the fuel has been consumed.
6.
Medicine/Medical. Also called booster dose, booster shot. a dose of an immunizing substance given to maintain or renew the effect of a previous one.
7.
Pharmacology. a chemical compound, medicinal substance, or the like, that serves as a synergist.
8.
a radio-frequency amplifier for connecting between a radio or television antenna and the receiving set to intensify the received signal.
9.
an auxiliary pump, used in a pipeline or other system, to add to or maintain a prevailing amount of pressure or vacuum.
10.
Slang. a shoplifter or petty thief.
Origin
1885-1890
1885-90, Americanism; boost + -er1
Related forms
boosterish, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for booster
  • The left solid rocket booster continues to fly, still thrusting.
  • But it's being marketed as a booster for a kind of workout you won't find at the gym.
  • Consortium agronomists are growing plants such as ginseng, a reputed circulation booster, in wooded areas.
  • Bias intimidation is a sentence-booster that attaches itself to an underlying crime-usually, a violent one.
  • The thing is a dry battery with a booster coil, both so small that together they fit into the palm of one's hand.
  • But rare is the booster dedicated enough to take out a vanity plate.
  • Encouraging office chat invites the same over-sharing of information that turns email from a productivity-booster to a time-suck.
  • He was giving a blood, sweat, and tears booster shot.
  • If not stopped in time, with a booster shot of drugs, the destruction succeeds and the organ is rejected.
  • But prices are likely to keep falling this year, so economic recovery will lack one of its usual booster rockets.
British Dictionary definitions for booster

booster

/ˈbuːstə/
noun
1.
a person or thing that supports, assists, or increases power or effectiveness
2.
Also called launch vehicle. the first stage of a multistage rocket
3.
(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
4.
another name for supercharger
5.
short for booster dose
6.
(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
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Word Origin and History for booster
booster
1890, "one who boosts" something, from boost. Electrical sense is recorded from 1894. Young child's booster chair is attested under that name from 1960.
Online Etymology Dictionary, © 2010 Douglas Harper
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booster in Medicine

booster boost·er (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. Also called booster dose, booster shot.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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booster in Science
booster
  (b'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 © 2002. Published by Houghton Mifflin. All rights reserved.
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Slang definitions & phrases for booster

booster

noun
  1. A shoplifter; pilferer: Got a booster for you. The chunky girl in blue at the lace counter/ He knew they couldn't be boosters or creepers (1908+)
  2. A huckster's or auctioneer's assistant who pretends to buy in order to stimulate others; shill (1905+ Carnival)
  3. A person who praises extravagantly; fan (1890+)

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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booster in Technology

A data-parallel language.
"The Booster Language", E. Paalvast, TR PL 89-ITI-B-18, Inst voor Toegepaste Informatica TNO, Delft, 1989.
The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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