booster
noun/ˈbuːstə(r)/
/ˈbuːstər/
- (also booster rocket)a rocket that gives a spacecraft extra power when it leaves the earth, or that makes a missile go furtherTopics Spacec2
- a device that gives extra power to a piece of electrical equipment
- an extra small amount of a vaccine that is given to increase the effect of one given earlier, for example to protect you from a disease for longer
- a tetanus booster
- a thing that helps, encourages or improves somebody/something
- a morale/confidence booster
- (especially North American English) a person who gives their support to somebody/something, especially in politics
- a meeting of Republican boosters
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booster