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Noun: breathalyzer  'bre-thu,lI-zur
Usage: N. Amer (elsewhere: breathalyser)
  1. A device that measures chemicals (especially the alcohol content) in a person's expired breath
    "The police officer asked the driver to take a breathalyzer test";
    - breathalyser [Brit, Cdn]

Derived forms: breathalyzers

Type of: device

Encyclopedia: Breathalyzer