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roulette noun

  /ɹuːˈlɛt/
  • (uncountable) A game of chance in which a small ball is made to move round rapidly on a circle divided off into numbered (usually red and black) spaces. When the ball stops, it indicates the result of a variety of wagers permitted by the game.
ruletti
  • (countable, geometry) The locus of a point on a plane curve that rolls without slipping along another fixed plane curve.
vierintäkäyrä
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