Longman Dictionary of Contemporary English
breath test
noun
EXAMPLES FROM CORPUS
▪ A charge of refusing to give a breath test was dismissed.
▪ In healthy volunteers, H pylori state was determined by the C urea breath test.
▪ Instead he admitted lesser motoring offences including drink-driving, failing to give a breath test and not stopping after an accident.
▪ Mr Warren was arrested in Mayfair, London, in May 1990 after a roadside breath test proved positive.
▪ Police kept her locked up in a cell until she gave a negative breath test and was deemed fit to leave.
▪ Police said the driver, who lives nearby with his grandmother, had failed a roadside breath test.
▪ Police stopped Kelly, of Chelmsford, and a breath test showed him to be more than twice the legal alcohol limit.
▪ Pritchard failed a roadside breath test which recorded 151 micrograms of alcohol in 100 millilitres of breath.
Wiktionary
breath test
n. An official test to determine if someone has taken alcohol or drugs by testing a sample of their exhaled breath.
Wikipedia
Breath test
A breath test is a type of test performed on air generated from the act of exhalation.
Types include:
- Breathalyzer - By far the most common usage of this term relates to the legal breath test to determine if a person is driving under the influence of alcohol.
- Hydrogen breath test - it is becoming more and more common for people to undertake a medical test for clinical diagnosis of dietary disabilities such as fructose intolerance, fructose malabsorption, lactose intolerance and lactulose intolerance.
- The presence of Helicobacter pylori (in peptic ulcer disease) can be tested for with the urea breath test.
- Exhaled nitric oxide is a breath test that might signal airway inflammation such as in asthma.
- Breath Tests for Diseases have been developed by companies like Menssana Research, Inc. for early detection of Lung Cancer, Breast Cancer, Pulmonary TB and many others, to serve as an adjunct to existing medical tests. Phase II and Phase III clinical studies are under way to confirm the efficacy of these breath tests.
Usage examples of "breath test".
Witnesses said he was moving slowly and a breath test was negative.
At the police station, he refused a breath test, andwas immediately thrown into the drunk tank.
At the police station, he refused a breath test, and was immediately thrown into the drunk tank.