Inoculum

noun

Definitions

Noun
  1. 1
    The active material used in an inoculation; an inoculant (i.e., a material or a dose thereof). countable, uncountable

    "Observers noted that Chinese variolators in Vietnam exhibited one or two slight variations in their practice, however, one constant factor is that they all introduced inoculum into the nasal passages."

  2. 2
    a substance (a virus or toxin or immune serum) that is introduced into the body to produce or increase immunity to a particular disease wordnet

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