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 : "My uncle enjoys playing the roulettes at the casino. " game entertainment business 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 several different roulettes to create varying textures on the metal plate. " art utensil machine 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 collection of roulettes, each with a different texture, to prepare the copper plate for the mezzotint. " art utensil machine 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 complex curves drawn by Spirograph toys are examples of roulettes, formed as one circle rolls along the inside or outside of another. " math 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 : "Instead of perforations, some older stamps have roulettes which can make them tricky to separate neatly. " stationery item Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A cylindrical curler for the hair. Examples : "My grandmother still uses roulettes to curl her hair before special occasions. " appearance style 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 utensil machine action Chat with AIVocabulary GamePractice Reading
