# inoculum

> English word · Noun · IPA /ɪˈnɑːkjələm/ · frequency rank #92,727

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

## Etymology
Learned borrowing from Latin inoculum.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/inoculum