- an instrument for measuring variations in a magnetic field, used esp for studying the magnetic field of the earth
- a variable inductor consisting of a movable coil mounted inside and connected in series with a fixed coil
WordReference Random House Unabridged Dictionary of American English © 2026
var•i•om•e•ter
(vâr′ē om′i tər),USA pronunciation n.
- Electricityan instrument for measuring inductance, consisting essentially of an inductor with two or more coils whose relative position may be changed to vary the inductance.
- Electricity, Geologyan instrument for indicating a change in a component of a magnetic field vector, esp. one related to the earth's magnetic field.
- Aeronauticsan instrument that indicates the rate of climb or descent.
- vari- (see various) + -o- + -meter 1895–1900
Collins Concise English Dictionary © HarperCollins Publishers::
variometer /ˌvɛərɪˈɒmɪtə/ n
'variometer' also found in these entries (note: many are not synonyms or translations):