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Noun: breathalyser  'bre-thu,lI-zu(r)
Usage: Brit, Cdn (US: breathalyzer)
  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 breathalyser test";
    - breathalyzer [N. Amer]

Derived forms: breathalysers

Type of: device

Encyclopedia: Breathalyser