Looking for the meaning of the word BOOSTER in English for both noun and verb forms from the Oxford Dictionary? Below, you can explore all possible meanings and definitions of BOOSTER with sentence examples. You can also use the “AUDIO PRONUNCIATION” track to check the correct pronunciation in British English.
Word: Booster
Speech Type: Noun
ˈbuːstə
a device for increasing electrical voltage or signal strength.
Short Definition:device for increasing electrical voltage
the first stage of a rocket or spacecraft, used to give initial acceleration and then jettisoned.
Short Definition:first stage of rocket or spacecraft
a dose of a vaccine that increases or renews the effect of an earlier one
Short Definition:dose of vaccine
Examples:- boosters at five-year intervals are recommended
- a booster injection
a source of help or encouragement
Short Definition:source of help or encouragement
Examples:- job fairs are a great morale booster
a shoplifter.
Short Definition:shoplifter
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