booster shot

noun

Definition of booster shot

:a supplementary dose of an immunizing agent administered as an injection called also booster, booster dose

Examples of booster shot in a Sentence

  1. He had to get two booster shots at his latest checkup.

First Known Use of booster shot

1944



BOOSTER SHOT Defined for English Language Learners

booster shot

noun

Definition of booster shot for English Language Learners

  • : an extra amount of a substance (called a vaccine) that is injected with a needle into a person or animal to help protect against a particular disease


Medical Dictionary

booster shot

noun

medical Definition of booster shot

:a supplementary dose of an immunizing agent administered as an injection
  • … the state is requiring older children to have additional booster shots for measles, mumps and rubella.
  • —Ann SchraderThe Denver Post22 July 1997
— see booster, booster dose


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