BOOSTER


Meaning of BOOSTER in English

/ ˈbuːstə(r); NAmE / noun

1.

(also ˈbooster rocket ) a rocket that gives a spacecraft extra power when it leaves the earth, or that makes a missile go further

2.

a device that gives extra power to a piece of electrical equipment

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 :

a tetanus booster

4.

a thing that helps, encourages or improves sb/sth :

a morale / confidence booster

5.

( especially NAmE ) a person who gives their support to sb/sth, especially in politics :

a meeting of Republican boosters

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.