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breath test

American  

noun

  1. a test by breath analyzer.


breath test British  

noun

  1. a chemical test of a driver's breath to determine the amount of alcohol he has consumed

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of breath test

First recorded in 1965–70

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Diana Jupp, CEO of Pancreatic Cancer UK, said the breath test had the potential to revolutionise the early detection of pancreatic cancer.

From BBC • Oct. 29, 2025

Two sobriety tests — including a preliminary breath test resulting in a .000 blood alcohol level — found that there was “no sign of impairment” in Racer’s case.

From Seattle Times • May 12, 2023

The test is a notable advancement because of the ease of submitting a breath test compared to nasal swabs that have been panned as awkward or invasive.

From Washington Times • Apr. 15, 2022

In February 2018, Marx drove to Seattle to see a third gastroenterologist who performed a gastric emptying study and a hydrogen breath test to check for a blockage or intestinal overgrowth.

From Washington Post • Feb. 19, 2021

The holding the breath test is very suggestive of heart efficiency or weakness, but a series of tests must be made before its limitations are proved.

From Disturbances of the Heart by Osborne, Oliver T. (Oliver Thomas)