# omniscience

> English word · Noun · IPA /ɑmˈnɪʃəns/ · frequency rank #61,678

## Definitions
1. The capacity to know everything.

## Etymology
From Medieval Latin omniscientia (“all-knowledge”), from Latin omni- (“all”), and scient from the Latin scientia (“knowledge”).

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