# breathalyzer

> English word · Noun · IPA /ˈbɹɛθəlaɪzɚ/ · frequency rank #59,923

## Definitions
1. A device that measures alcohol in expired air so as to estimate the concentration of alcohol in a person's blood; used by traffic police in cases of suspected driving while under the influence of alcohol.

## Etymology
Blend of breath + analyzer. Originally a trademark of Smith & Wesson.

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