noun. a device that measures chemicals (especially the alcohol content) in a person's expired breath.
Example sentences of the word breathalyzer
1. Noun, singular or mass
But a verbal refusal is not required as long as the driver makes it clear that they will not blow in the breathalyzer machine.
Eating certain kinds of food can also lead to a false positive on a breathalyzer test.
3. Verb, base form
The implied consent law has only been partially successful in getting Florida drivers to submit to breathalyzer tests.