billiard ball Directory References Discover Roman Catholic Saints Nostradamus and His Prophecies How Deadly Is Quicksand? 10 Great Sports Rivalries Why Is the Mona Lisa So Famous? How Did the Sperm Whale Get Its Name? Will Light-Speed Space Travel Ever Be Possible? Contents billiard ball billiards Ask the Chatbot a Question Ask the Chatbot a Question Learn about this topic in these articles:billiards In billiardsThe billiard balls, formerly made of ivory or Belgian clay, are now usually plastic; they each measure from about 21/4 to 23/8 inches (5.7 to 6 cm) in diameter, the larger balls being used in carom billiards.Read More
