Breathalyzer

[ breth-uh-lahy-zer ]

/ ˈbrɛθ əˌlaɪ zər /

a brand of breath analyzer.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for breathalyzer

She failed several field sobriety tests and a breathalyzer put her blood alcohol level at .11.
The Tragic Decline of Mary Kennedy, Found Dead in Apparent Suicide|Michael Daly|May 17, 2012|DAILY BEAST
The source says a breathalyzer test measured 1.01mg of alcohol per liter of breath Galliano exhaled.
John Galliano Suspended by Dior for Alleged Anti-Semitic Rant|Tracy McNicoll|February 25, 2011|DAILY BEAST
I was put in Central Lockup, given a breathalyzer test which I passed, but I spent the night in jail anyway.
Andrew Breitbart, Mad As Hell|Lloyd Grove|February 1, 2010|DAILY BEAST
But his license was suspended because he declined a Breathalyzer test.
Shia LaBeouf's Wild World|Kim Masters|June 22, 2009|DAILY BEAST

1960, from breath + (an)alyzer; an earlier name for it was drunkometer (1934).