variometer noun.
[vɛ:rɪ'ɒmɪtǝ] L19.[from VARI- + -OMETER.]1. An instrument for measuring variations in the intensity of the earth's magnetic field.
L19.2. Electricity. An inductor whose total inductance can be varied by altering the relative position of two coaxial coils connected in series, or by permeability tuning, and so usable to tune a circuit.
E20.3. An instrument for indicating the rate of climb or descent of an aircraft.
E20. [TahlilGaran] English Dictionary ▲