variometer
/ˌveərɪˈɒmɪtə(r)/noun
1
- a device for indicating an aircraft's rate of climb or descent爬升率测定器。
2
- 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 an electric circuit可变电感器, 变感器。
3
- an instrument for measuring variations in the intensity of the earth's magnetic field磁变仪。