intoximeterPronunciation: /ɪnˈtɒksɪmiːtə/Definition of intoximeter noun a non-portable instrument for measuring the alcohol content of a person’s breath, especially in cases of suspected drunken driving, usually sited at a police station. Origin: 1950s: from intoxication (see intoxicate) + -meterintoximeter in other Oxford dictionaries Definition of intoximeter in the US English dictionary