flyback

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English[edit]

Etymology[edit]

fly +‎ back

Noun[edit]

flyback (countable and uncountable, plural flybacks)

  1. The movement of the electron beam back to its initial position between scan lines in a cathode-ray tube display.
  2. A special kind of electrical transformer, originally designed to generate high-voltage sawtooth signals at a relatively high frequency, and now extensively used in switched-mode power supplies.