booster dose

booster dose
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 dose — After initial immunization, a booster injection or booster dose is a re exposure to the immunizing antigen. It is intended to increase immunity against that antigen back to protective levels after it has been shown to have decreased or after a… …   Wikipedia

  • booster dose — noun an additional dose that makes sure the first dose was effective • Syn: ↑booster, ↑booster shot, ↑recall dose • Hypernyms: ↑dose, ↑dosage …   Useful english dictionary

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

  • booster dose — a dose of an active immunizing agent, usually smaller than the initial dose, given to maintain immunity …   Medical dictionary

  • booster dose — noun see booster shot …   New Collegiate 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

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

  • 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… …   The Collaborative International Dictionary of English

  • booster rocket — 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… …   The Collaborative International Dictionary of English

  • 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… …   The Collaborative International Dictionary of English

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