noun Download 🔗Share 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. Examples : "At the casino, she watched the roulette wheel spin, hoping the ball would land on her lucky number. " game entertainment bet Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A small toothed wheel used by engravers to roll over a plate in order to produce rows of dots. Examples : "The engraver used a small roulette to create evenly spaced dots on the metal plate. " art technical machine writing Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A similar wheel used to roughen the surface of a plate, as in making alterations in a mezzotint. Examples : "The artist used a roulette to roughen the plate before adding the final details to the mezzotint. " art utensil Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share The locus of a point on a plane curve that rolls without slipping along another fixed plane curve. Examples : "The intricate design left by a Spirograph toy is a good example of a roulette, created as a pen traces a path while one plastic gear rolls around another. " math technical Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share Any of the small incisions on a sheet of stamps, used as an alternative to perforations. Examples : "The stamp collector carefully examined the edge of the old stamp, noting that instead of perforations, it had a roulette. " stationery writing Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A cylindrical curler for the hair. Examples : "My mother uses a special hair roulette to curl her daughter's hair for school pictures. " appearance style item utensil Chat with AIVocabulary GamePractice Reading
verb Download 🔗Share To separate or decorate by incisions made with a small toothed wheel. Examples : "to roulette a sheet of postage stamps" art style appearance Chat with AIVocabulary GamePractice Reading