Dictionary

altimeter

noun al·tim·e·ter \al-ˈti-mə-tər, ˈal-tə-ˌmē-tər\

: an instrument used for measuring the altitude of something (such as an airplane or a mountain)

Full Definition of ALTIMETER

:  an instrument for measuring altitude; especially :  an aneroid barometer designed to register changes in atmospheric pressure accompanying changes in altitude
al·tim·e·try \al-ˈti-mə-trē\ noun

Origin of ALTIMETER

Latin altus + English -meter
First Known Use: 1768

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