variometer

noun

var·​i·​om·​e·​ter ˌver-ē-ˈä-mə-tər How to pronounce variometer (audio)
1
: an instrument for measuring magnetic declination
2
: an aeronautical instrument for indicating rate of climb

Word History

Etymology

borrowed from German Variometer, from vario- vario- + -meter -meter

First Known Use

circa 1889, in the meaning defined at sense 1

Time Traveler
The first known use of variometer was circa 1889

Dictionary Entries Near variometer

Cite this Entry

“Variometer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/variometer. Accessed 27 Feb. 2024.

More from Merriam-Webster on variometer

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!