# biohazard

> English word · Noun · IPA /ˈbaɪəʊˌhæzəd/ · frequency rank #43,059

## Definitions
1. A biological hazard: a source of risk due to some biological factor such as bacteria or human waste.

## Etymology
From bio- + hazard.

## Common misspellings (13)
`bbiohazard`, `bihoazard`, `bioahzard`, `biohaazrd`, `biohazadr`, `biohazardd`, `biohazarrd`, `biohazrad`, `biohazzard`, `biohhazard`, `biohzaard`, `boihazard`, `ibohazard`

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