booster shot

booster shot
Booster Boost"er (b[=oo]st"[~e]r), n. 1. (Elec.) An instrument for regulating the electro-motive force in an alternating-current circuit; -- so called because used to ``boost'', or raise, the pressure in the circuit. [Webster 1913 Suppl.]

2. an enthusiastic supporter. [PJC]

3. the first stage of a multistage rocket, providing all or part of the driving force at lift-off and until the second stage ignites, whether or not the booster stage is detached after the fuel is spent. Also called {booster rocket}. In some cases, a booster has been used to assist the takeoff of airplanes. [PJC]

4. (Med.) an immunizing medication given after an initial immunizing treatment, to provide increased or extended immunity. Also called {booster dose}. When in the form of an injection, it may be called a {booster shot}. [PJC]

5. any auxiliary device or part of a device to provide increased power, force, or effectiveness, as with a pumping device. [PJC]

6. (Mil.) an explosive charge which is more powerful than a primer, used in conjunction with a primer to assure detonation of the main charge. Integrated blasting caps containing separate compartments for primer and booster are used as detonators for certain explosives. [PJC]


The Collaborative International Dictionary of English. 2000.

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Look at other dictionaries:

  • booster shot — n a supplementary dose of an immunizing agent called also booster, booster dose …   Medical dictionary

  • booster shot — ☆ booster shot or booster injection n. an injection of a vaccine or other antigen some time after the initial series of injections, for maintaining immunity * * * …   Universalium

  • booster shot — ☆ booster shot or booster injection n. an injection of a vaccine or other antigen some time after the initial series of injections, for maintaining immunity …   English World dictionary

  • booster shot — noun an additional dose that makes sure the first dose was effective • Syn: ↑booster, ↑booster dose, ↑recall dose • Hypernyms: ↑dose, ↑dosage * * * booster shot, an additional inoculation of a vaccine or serum to continue the effectiveness of a… …   Useful english dictionary

  • Booster Shot — The name given to the first formal recommendation report issued by an underwriter for an IPO. It is presented in the process of the public offering. The booster shot acts as a way to reinforce attractiveness of the new issue. The underwriter …   Investment dictionary

  • booster shot — noun Date: 1944 a supplementary dose of an immunizing agent called also booster, booster dose …   New Collegiate Dictionary

  • booster shot — noun A dose of an antigen designed to strengthen immunity after an earlier immunizing dose. Syn: booster dose, booster injection …   Wiktionary

  • booster shot — (Roget s 3 Superthesaurus) n. see immunization …   English dictionary for students

  • booster shot — injection which strengthens immunity to a certain disease …   English contemporary dictionary

  • Booster — may refer to:In science and technology: * Booster (electric power), a motor generator set used for voltage regulation in direct current electrical power circuits * Booster dose, or booster shot, in medicine, a vaccination given after a previous… …   Wikipedia

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