Noun

• S: (n) bismuth, Bi, atomic number 83 (a heavy brittle diamagnetic trivalent metallic element (resembles arsenic and antimony chemically); usually recovered as a by-product from ores of other metals)
• S: (n) bus, autobus, coach, charabanc, double-decker, jitney, motorbus, motorcoach, omnibus, passenger vehicle (a vehicle carrying many passengers; used for public transport) "he always rode the bus to work"
• S: (n) bus topology, bus (the topology of a network whose components are connected by a busbar)
• S: (n) busbar, bus (an electrical conductor that makes a common connection between several circuits) "the busbar in this computer can transmit data either way between any two components of the system"
• S: (n) bus, jalopy, heap (a car that is old and unreliable) "the fenders had fallen off that old bus"