Inoculum

noun

noun ·Rare ·Advanced level

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

Synonyms

All synonyms
inoculantinoculantinoculatepreventive

Example

More examples

"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."

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.