alcometer

noun

al·​com·​e·​ter al-ˈkä-mə-tər 

plural alcometers

: a device used by police to measure the alcohol content in a breath sample in order to determine if a person is legally drunk

… a police alcometer indicated alcohol had been detected on his breath

—Jennifer Cooke, Sydney (Australia) Morning Herald, 14 Mar. 2009

compare breathalyzer

Word History

Etymology

formerly a registered trademark

First Known Use

1941, in the meaning defined above

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