Last Updated：2025/11/20

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A device that measures alcohol in expired air so as to estimate the concentration of alcohol in a person's blood; used by traffic police in cases of suspected driving while under the influence of alcohol.

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breathalyzer

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Source Word

breathalyzer

Noun

Japanese Meaning

呼気中のアルコール濃度を測定し、血中アルコール濃度を推定する装置（主に飲酒運転の疑い時に交通警察が使用する）

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After the traffic stop, the officer asked him to blow into the breathalyzer.

Google Translation / DeepL Translation

交通取締の際、警察官は彼に呼気中のアルコールを測定して血中アルコール濃度を推定する装置に息を吹きかけるよう求めた。

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Sense（1）

During the three day class we took one day of classroom study followed by one day of operating the breathalyzer and one day of drinking. Yes, I said drinking. […] I hated it but I got it down long enough to take the breathalyzer test. I blew a .11 on the model 900A Breathalyzer.

Google Translation / DeepL Translation

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breathalyzers

（ plural ）

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breathalyzer

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breathalyzer

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