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n. - An instrument for measuring fluctuations in a magnetic field.

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Usage examples (4)
  • Readings from altimeter, variometer, airspeed indicator, attitude indicator — those were real.
  • The telegraph sending keys, field and battery switch, dry battery, variometer and antenna reel are the only units included inside the fuselage.
  • The variometer emits an audible signal, and pilots can tell by the frequency and pitch how fast they're climbing or descending.
  • Potentiometer, variometer, variocoupler, radio frequency, amplification, loop aërials, audion and grids -- no, I am not saying these words to show off.
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We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.