from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. 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.
from the GNU version of the Collaborative International Dictionary of English
- n. a device that measures alcohol content of a person's breath.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a device that measures chemicals (especially the alcohol content) in a person's expired breath
A portmanteau word from breath and analyzer. Originally a trademark of Smith & Wesson. (Wiktionary)