variometer

noun var·i·om·e·ter \ ˌver-ē-ˈä-mə-tər \

Definition of variometer

1 : an instrument for measuring magnetic declination
2 : an aeronautical instrument for indicating rate of climb

Origin and Etymology of variometer

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


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allowing a liquid or gas to pass through

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