nounDownload🔗ShareA 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. "gameentertainmentbusinessChat with AIVocabulary GamePractice Reading
nounDownload🔗ShareA 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. "artutensilmachineChat with AIVocabulary GamePractice Reading
nounDownload🔗ShareA 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. "artutensilmachineChat with AIVocabulary GamePractice Reading
nounDownload🔗ShareThe 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. "mathChat with AIVocabulary GamePractice Reading
nounDownload🔗ShareAny 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. "stationeryitemChat with AIVocabulary GamePractice Reading
nounDownload🔗ShareA cylindrical curler for the hair.Examples:"My grandmother still uses roulettes to curl her hair before special occasions. "appearancestyleutensilChat with AIVocabulary GamePractice Reading
verbDownload🔗ShareTo separate or decorate by incisions made with a small toothed wheel.Examples:"to roulette a sheet of postage stamps"artstyleutensilmachineactionChat with AIVocabulary GamePractice Reading