a person or thing that boosts, especially an energetic and enthusiastic supporter.
Electricity. a device connected in series with a current for increasing or decreasing the nominal circuit voltage.
Railroads. any machine, device, phenomenon, etc., that helps to move a train, as a tailwind, downgrade, roller bearings, or especially a helper locomotive.
Military. an explosive more powerful than a primer, for ensuring the detonation of the main charge of a shell.
a rocket engine used as the principal source of thrust in the takeoff of a rocket or missile.
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.
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.
Pharmacology. a chemical compound, medicinal substance, or the like, that serves as a synergist.
a radio-frequency amplifier for connecting between a radio or television antenna and the receiving set to intensify the received signal.
an auxiliary pump, used in a pipeline or other system, to add to or maintain a prevailing amount of pressure or vacuum.
Slang. a shoplifter or petty thief.
designed to boost business; optimistic
a person or thing that supports, assists, or increases power or effectiveness
Also called launch vehicle. the first stage of a multistage rocket
a radio-frequency amplifier connected between an aerial and a receiver to amplify weak incoming signals
a radio-frequency amplifier that amplifies incoming signals, retransmitting them at higher power
another name for supercharger
short for booster dose
(slang, mainly US) a shoplifter
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.
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+)
A huckster’s or auctioneer’s assistant who pretends to buy in order to stimulate others; shill (1905+ Carnival)
A person who praises extravagantly; fan (1890+)
the action or policy of enthusiastically promoting something, as a city, product, or way of life: boosterism about the latest world’s fair. Contemporary Examples What Will Happen to Our Minds in the Future? Robert Herritt March 1, 2014 Constructive Criticism: Reviewing the Idea of Reviewing Ben Greenman May 19, 2013 noun the practice of actively […]
a covering of leather, rubber, or the like, for the foot and all or part of the leg. Chiefly British. any shoe or outer foot covering reaching to the ankle. an overshoe, especially one of rubber or other waterproof material. an instrument of torture for the leg, consisting of a kind of vise extending from […]
a person who shines shoes and boots for a living. Historical Examples The Boy Broker Frank A. Munsey The Negro and the Nation George S. Merriam Mark Mason’s Victory Horatio Alger City Crimes Greenhorn The Agony Column Earl Derr Biggers Tom, The Bootblack Horatio Alger Cast Upon the Breakers Horatio Alger The Expressman and the […]