BOOSTER | English Meaning, Definition, and Pronunciation

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

Audio Pronunciation:
Phonetic Spelling: ˈbuːstə
Dialects: British English
Definition:

a device for increasing electrical voltage or signal strength.

Short Definition:

device for increasing electrical voltage

Definition:

the first stage of a rocket or spacecraft, used to give initial acceleration and then jettisoned.

Short Definition:

first stage of rocket or spacecraft

Definition:

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
Definition:

a source of help or encouragement

Short Definition:

source of help or encouragement

Examples:
  • job fairs are a great morale booster
Definition:

a shoplifter.

Short Definition:

shoplifter

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