| Definitions | | roulette |
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noun
- (uncountable) A game of chance, in which a small ball is made to move round rapidly on a circle divided off into numbered red and black spaces, the one on which it stops indicating the result of a variety of wagers permitted by the game.
- (countable) A small toothed wheel used by engravers to roll over a plate in order to produce rows of dots.
- (countable) A similar wheel used to roughen the surface of a plate, as in making alterations in a mezzotint.
- (countable) (geometry) The locus of a point on a plane curve that rolls without slipping along another fixed plane curve.
- (stamp-collecting) any of the small incisions on a sheet of stamps, used as an alternative to perforations.
Translations: - Dutch: roulette
- French: roulette
- German: Roulette
- Italian: roulette
- Spanish: ruleta
toothed wheel used by engravers
toothed wheel used to roughen the surface of a plate
in geometry
Etymology: roulette, roulette, little wheel
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