altimeter

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

Definition of altimeter

  1. :  an instrument for measuring altitude; especially :  an aneroid barometer designed to register changes in atmospheric pressure accompanying changes in altitude

altimetry

play \al-ˈti-mə-trē\ noun

Origin and Etymology of altimeter

Latin altus + English -meter


First Known Use: 1768


ALTIMETER Defined for English Language Learners

altimeter

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

Definition of altimeter for English Language Learners

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


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