Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

Breathalyzer

play
trademark Breath·a·ly·zer \ˈbre-thə-ˌlī-zər\

Simple Definition of Breathalyzer

  • —used for a device that police use to test someone's breath in order to measure how much alcohol is in that person's blood

Full Definition of Breathalyzer

  1. —used for a device that is used to determine the alcohol content of a breath sample


Medical Dictionary

Breathalyzer

play
trademark Breath·a·ly·zer \ˈbreth-ə-ˌlī-zər\

Medical Definition of Breathalyzer

  1. —used for a device consisting of a small tube of chemically sensitized crystals connected to a balloon that is used to determine the alcohol content of a breath sample




Learn More about breathalyzer


Seen and Heard

What made you want to look up Breathalyzer? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 7, 2016

a slight offense

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

duvet kittly-benders pince-nez spindrift
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ