booster shot

noun

Definition of booster shot

  1. :  a supplementary dose of an immunizing agent —called also booster, booster dose

Examples of booster shot in a sentence

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

1944

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

  1. :  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 Schrader, The Denver Post, 22 July 1997>—see booster, booster dose


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