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English Lexicon

Antiserum

/ˈæn.tiˌsɪə.rəm/
nounCEFR C2 (Proficient)Top #45000 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    Blood serum containing antibodies against specific antigens, used to confer passive immunity or for diagnostic testing.

    "The patient was administered a specific antiserum to counteract the snake venom."
  2. 2

    A preparation of antibody-rich serum obtained from animals or humans that have been immunized against a specific infectious agent.

    "Researchers utilized standardized antisera to identify the bacterial strains in the laboratory."
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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived from the Greek prefix 'anti-' meaning against or opposite, combined with the Latin 'serum' meaning whey or watery fluid. Coined in the late 19th century during the development of serotherapy and immunology to describe blood serum containing specific antibodies.

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