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.

Look at other dictionaries:

  • booster — [ bustɶr ] n. m. • 1934; mot angl. amér., proprt « accélérateur » 1 ♦ Astronaut. Propulseur externe auxiliaire destiné à accentuer la poussée des engins spatiaux. « À une altitude de 12 000 pieds, le booster se détache » (Le Monde, 1972). Recomm …   Encyclopédie Universelle

  • 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 — steht für: den Booster Effekt bei Impfungen, siehe Impfung #Auffrischung einen Hilfsantrieb bei Dampflokomotiven, siehe Booster (Dampflokomotive) in den USA eine Diesellokomotive ohne Führerstand (sogenannte B Unit), siehe Mehrfachtraktion#A Unit …   Deutsch Wikipedia

  • booster — s.n. 1. Motor cu abur auxiliar care antrenează roţile libere purtătoare ale unor locomotive cu abur pentru mărirea forţei de tracţiune. 2. (Electr., telec.) Generator auxiliar pentru sporirea tensiunii; survoltor. [pron. bús ter. / < engl.… …   Dicționar Român

  • Booster — Booster, amerikanische Bezeichnung für eine Zusatzmaschine zur Spannungsregelung in den Hauptleitungssträngen elektrischer Starkstromanlagen. In den zu regulierenden Hauptleitungsstrang wird eine kleine Dynamomaschine, z.B. die Lahmeyersche… …   Lexikon der gesamten Technik

  • booster — ☆ booster [bo͞os′tər ] n. 1. a person who boosts; enthusiastic supporter 2. Elec. a device for controlling or varying the voltage in a circuit 3. Radio & TVRadio TV an amplifier between the antenna and the receiver 4. any device that provides… …   English World dictionary

  • booster — 1890, one who boosts something, agent noun from BOOST (Cf. boost) (v.). Electrical sense is recorded from 1894. Young child s booster chair is attested under that name from 1960 …   Etymology dictionary

  • booster — / bu:stə/, it. / buster/ s. ingl. [der. di (to ) boost spingere ], usato in ital. al masch. 1. (tecn.) ▶◀ motore ausiliario, [spec. su aeromobili] propulsore ausiliario. 2. (mus.) [negli impianti stereo di autoveicoli] ▶◀ amplificatore …   Enciclopedia Italiana

  • booster — ► NOUN 1) Medicine a dose of a vaccine increasing or renewing the effect of an earlier one. 2) the part of a rocket or spacecraft used to give initial acceleration. 3) a source of help or encouragement. 4) a device for increasing electrical… …   English terms dictionary

  • Booster — Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom. Sur les autres projets Wikimedia : « Booster », sur le Wiktionnaire (dictionnaire universel) Booster peut désigner : un booster est un …   Wikipédia en Français

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