1. of, relating to, or responsive to a continuous, wide range of frequencies.Compare sharp(def 23).
  2. relating to or denoting a type of high-speed data transmission in which the bandwidth is shared by more than one simultaneous signal: Broadband Internet technologies are superior to dial-up connections for streaming video.


  1. broadband transmission.
  2. a broadband Internet connection.


  1. a transmission technique using a wide range of frequencies that enables messages to be sent simultaneously, used in fast internet connectionsSee also baseband

type of high-speed Internet access widely available from 2006, from broad (adj.) + band (n.1).

In communications technology, the ability to send many signals over a single cable or other such communication medium. Broadband technology allows enormous amounts of data, such as that for movie videos, to be transferred over limited information infrastructure.

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