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roulette



  1. The curve traced by a fixed point on a closed convex curve as that curve rolls without slipping along a second curve.

  2. A gambling game in which the players bet on which slot of a rotating disk a small ball will come to rest in. On August 18, 1913, on an unbiased roulette wheel at Monte Carlo, evens came up 26 times in a row. The probability of this occurring is 1 in 136,823,184.

Related categories

   • PLANE CURVES
   • GAMES AND PUZZLES