Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun breathalyser

1 sense of breathalyser

Sense 1
breathalyzer, breathalyser -- (a device that measures chemicals (especially the alcohol content) in a person's expired breath)
       => device -- (an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water")