Coaxial, co-axial, co-ax or coax describes a physical arrangement wherein two or more structures share a common axis.
Coaxial may also refer to:
Electronics Coaxial cable or simply "coax," a shielded electrical cable widely used for transmission of radio-frequency signals and in computer networking cables Coaxial antenna, a half-wave dipole antenna configuration Coaxial loudspeaker, a 2-way loudspeaker with the high and low drivers sharing the same axis
Connectors Coaxial connector, any one of various common types of RF connector Coaxial power connector, low-current connectors commonly used on consumer electronics
Other uses Coaxial escapement, a clock mechanism Coaxial mount, a weapon mount placing two or more weapons in parallel Coaxial rotors, a contra-rotating twin-rotor configuration for helicopters
See also Coaxil, a drug used to treat depression