Bandwidth

Etymology
band + width

Noun

 * 1) The width, usually measured in hertz, of a frequency band.
 * 2) * 2010 October 30, Jim Giles, Jammed!, in New Scientist,
 * But now is a good time to be bargaining for bandwidth, as the switch from analogue to digital television is freeing up space.
 * 1) Of a signal, the width of the smallest frequency band within which the signal can fit
 * 2)  The rate of data flow in digital networks typically measured in bits per second
 * 3)  The capacity, energy or time required