# epidemiology

> English word · Noun · IPA /ˌɛpɪdiːmiˈɒləd͡ʒi/ · frequency rank #19,586

## Definitions
1. The branch of science dealing with the spread and control of diseases, viruses, concepts etc. throughout populations or systems.
2. The epidemiological body of knowledge about a particular thing.

## Etymology
From Late Latin epidemia + -logy. See epidemic for more.

## Common misspellings (17)
`eipdemiology`, `epdiemiology`, `epiddemiology`, `epideimology`, `epidemiloogy`, `epidemiolgoy`, `epidemiollogy`, `epidemiologgy`, `epidemiologyy`, `epidemioloyg`, `epidemioolgy`, `epidemmiology`, `epidemoilogy`, `epidmeiology`, `epiedmiology`, `eppidemiology`, `peidemiology`

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