n. 1 a device for increasing electrical power or voltage. 2 an auxiliary engine or rocket used to give initial acceleration. 3 Med. a dose of an immunizing agent increasing or renewing the effect of an earlier one. 4 a person who boosts by helping or encouraging.
BOOSTER
Meaning of BOOSTER in English
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012