Origin and Etymology of altimeter
Latin altus + English -meter
First Known Use: 1904
ALTIMETER Defined for English Language Learners
Definition of altimeter for English Language Learners
: an instrument used for measuring the altitude of something (such as an airplane or a mountain)
Seen and Heard
What made you want to look up altimeter? Please tell us where you read or heard it (including the quote, if possible).