booster

n. voltage amplifier; immunization injection; follower, supporter

Booster may refer to: In science and technology:Booster (electric power), a motor-generator set used for voltage regulation in direct current electrical power circuitsBooster dose, or booster shot, in medicine, a vaccination given after a previous vaccination Booster rocket used in space flight to provide the main thrust in the initial phase of the rocket's flightBooster engine, extra cylinders on a steam locomotive, driving the trailing truck or a tender truck, to give more power on startingExplosive booster, a bridge between a low energy explosive and a low sensitivity explosiveA co-channel repeater in broadcasting, used to improve signal strength
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Booster /boost·er/ see under dose. boost·er n. An additional dose of an immunizing agent, such as a vaccine or toxoid, given at a time after the [more]Booster - Community and Resources

Noun
1. a person who backs a politician or a team etc.; "all their supporters came out for the game"; "they are friends of the library"
(synonym) supporter, protagonist, champion, admirer, friend
(hypernym) advocate, advocator, proponent, exponent
(hyponym) anglophile, anglophil
(derivation) promote, advance, boost, further, encourage
2. someone who is an active supporter and advocate
(synonym) promoter, plugger
(hypernym) advertiser, advertizer, adman
(hyponym) barker
(derivation) promote, advance, boost, further, encourage
3. a thief who steals goods that are in a store
(synonym) shoplifter, lifter
(hypernym) thief, stealer
4. the first stage of a multistage rocket
(synonym) booster rocket, booster unit, multistage rocket, takeoff booster, takeoff rocket
(hypernym) rocket, rocket engine
(derivation) boost
5. an additional dose that makes sure the first dose was effective
(synonym) booster dose, booster shot, recall dose
(hypernym) dose

v. stimulate, invigorate, improve, enhance, reinforce, strengthen, fortify, increase

n. booster, voltage amplifier, immunization injection