Definition of bandwidth
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
Examples of bandwidth in a sentence
The modem has a bandwidth of 56 kilobits per second.
Graphics use more bandwidth than text does.
First Known Use of bandwidth
BANDWIDTH Defined for English Language Learners
Definition of bandwidth for English Language Learners
: a measurement of the ability of an electronic communications device or system (such as a computer network) to send and receive information
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