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tourbillon

American  
[toor-bil-yuhn, toor-bee--yawn] / tʊərˈbɪl jən, tur bi ˈjɔ̃ /
Sometimes tourbillion

noun

  1. Horology. a frame for the escapement of a timepiece, especially a watch, geared to the going train in such a way as to rotate the escapement about once a minute in order to minimize positional error.

  2. a firework that rises spirally.

    Between two spectacular pinwheels, they launched a series of silvery tourbillons.

  3. whirlwind.


Etymology

Origin of tourbillon

First recorded in 1470–80; earlier turbilloun, from Middle French to(u)rbillon, from unattested Vulgar Latin turbiliōnem, dissimilated variant of turbiniōnem, accusative of turbiniō “whirlwind”; see turbine, -ion

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

It has an inclined tourbillon, a feature aimed at improving accuracy by counteracting gravity, which adds to its rarity in the watch world.

From Salon Dec. 19, 2024

It features a manual-wound skeleton tourbillon, a 72-hour power reserve, and a whopping 260 carats of Emerald-cut diamonds adorning everything from the crown to case.

From Golf Digest Jun. 28, 2018

Mrs. Forestier-Kasapi complemented her minute repeater with the added eye candy of a tourbillon complication.

From New York Times Mar. 9, 2012

But recently watchmakers have broken free of the spell, shifting their attention from the visual fascination of the tourbillon to the tuneful appeal of the minute repeater.

From New York Times Mar. 9, 2012

But I arrived by a quicker maneuver—a whirling gust, a tourbillon of the most terrific, hurled the biplane sidelong to destruction.

From Master Tales of Mystery, Volume 3 by Francis J. (Francis Joseph) Reynolds

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