tourbillon

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English[edit]

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Wikipedia

Etymology[edit]

From French tourbillon ‘whirlwind’.

Noun[edit]

tourbillon (plural tourbillons)

  1. A rotating frame, containing the escapement of a clock or watch, that attempts to compensate for the effects of gravity.
    • 2006, Thomas Pynchon, Against the Day, Vintage 2007, p. 514:
      Time was vulnerable to the force of gravity. So Breguet came up with the tourbillon, which isolated the balance wheel and escarpment off on a little platform of their own

French[edit]

Etymology[edit]

From Old French torbeil + -on.

Pronunciation[edit]

Noun[edit]

tourbillon m (plural tourbillons)

  1. whirlwind
  2. eddy, whirlpool
  3. (physics) vortex
  4. (figuratively) whirl, whirlwind, maelstrom
  5. tourbillon

Derived terms[edit]