Found 2 items, similar to variometer.
English → English (WordNet) Definition: variometer variometer n : a measuring instrument for measuring variations in a magnetic field
English → English (gcide) Definition: Variometer Variometer \Va`ri*om"e*ter\, n. [L. varius various + -meter.] (Elec.) An instrument for comparing magnetic forces, esp. in the earth's magnetic field. [Webster 1913 Suppl.]