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BNC: 14487 COCA: 8144

booster

noun
/ˈbuːstə(r)/
/ˈbuːstər/
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  1. (also booster rocket)
    a rocket that gives a spacecraft extra power when it leaves the earth, or that makes a missile go further助推器Topics Spacec2
  2. a device that gives extra power to a piece of electrical equipment(电器的)升压机,升压器
  3. an extra small amount of a drug that is given to increase the effect of one given earlier, for example to protect you from a disease for longer加强剂量
    • a tetanus booster破伤风加强剂
    Topics Social issuesc2
  4. a thing that helps, encourages or improves somebody/something帮助(或激励、改善)…的事物
    • a morale/confidence booster士气/信心的激励
    Topics Change, cause and effectc2
  5. (especially North American English) a person who gives their support to somebody/something, especially in politics(尤指政治上的)支持者,拥护者
    • a meeting of Republican boosters共和党支持者的会议
BNC: 14487 COCA: 8144
BNC: 14487 COCA: 8144
BNC: 14487 COCA: 8144
booster
Advantages and benefits: advantage, benefit, good...
Types and forms of medicine: amphetamine, anabolic steroid, anaesthesia...
Space vehicles and space travel: aerospace, Apollo, astronaut...

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