01 n. An instrument for regulating the electro-motive force in an alternating-current circuit; -- so called because used to “boost”, or raise, th…
-
1.
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.(Elec.)
-
2.
an enthusiastic supporter.
-
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. Also: booster rocket
-
4.
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.(Med.) Also: booster dose, booster shot
-
5.
any auxiliary device or part of a device to provide increased power, force, or effectiveness, as with a pumping device.
-
6.
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.(Mil.)