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variometer

[vair-ee-om-i-ter]
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noun
  1. Electricity. an instrument for measuring inductance, consisting essentially of an inductor with two or more coils whose relative position may be changed to vary the inductance.
  2. an instrument for indicating a change in a component of a magnetic field vector, especially one related to the earth's magnetic field.
  3. Aeronautics. an instrument that indicates the rate of climb or descent.
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Origin of variometer

1895–1900; vari- (see various) + -o- + -meter
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for variometer

Historical Examples

  • The rotor of a variometer or variocoupler is a rotating coil.

    The Radio Amateur's Hand Book

    A. Frederick Collins

  • But, anyway, weve made enough to know the difference between a variometer and a condenser.

  • A new type of variometer has what is known as a basket weave, or wavy wound stator and rotor.

    The Radio Amateur's Hand Book

    A. Frederick Collins

  • To be really efficient a variometer must have a small resistance and a large inductance as well as a small dielectric loss.

    The Radio Amateur's Hand Book

    A. Frederick Collins

  • A wiring diagram of a variometer is shown at A in Fig. 54 and a basketball variometer is shown complete at B.

    The Radio Amateur's Hand Book

    A. Frederick Collins


British Dictionary definitions for variometer

variometer

noun
  1. an instrument for measuring variations in a magnetic field, used esp for studying the magnetic field of the earth
  2. electronics a variable inductor consisting of a movable coil mounted inside and connected in series with a fixed coil
  3. a sensitive rate-of-climb indicator, used mainly in gliders
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012