Definition of breathalyzer in English English dictionary
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 over the limit
Breatha·lyz·er Breathalyzers in BRIT, also use Breathalyser A Breathalyzer is a bag or electronic device that the police use to test whether a driver has drunk too much alcohol. Breathalyser a piece of equipment used by the police to see if a driver of a car has drunk too much alcohol
a device that measures alcohol in expired air so as to estimate the concentration of alcohol in a persons blood; used by traffic police in cases of suspected driving while over the limit
a device that measures chemicals (especially the alcohol content) in a person's expired breath
{i} device used by police to test a motorist's breath for alcohol and determine if he/she is intoxicated (also breathalyser)