Main Entry: band·width

Pronunciation: \ˈband-ˌwidth\

Function: noun

Date: 1930

1 : a range within a band of wavelengths, frequencies, or energies; especially : a range of radio frequencies which is occupied by a modulated carrier wave, which is assigned to a service, or over which a device can operate
2 : the capacity for data transfer of an electronic communications system <graphics consume more bandwidth than text does>; especially : the maximum data transfer rate of such a system <a bandwidth of 56 kilobits per second>