General English

  • adjective able to manage large amounts of data quickly


  • noun a data transmission system that allows large amounts of data to be transferred very quickly



  • operating at, or encompassing a wide range of frequencies.
  • operating at, or encompassing a wider range of frequencies than is ordinarily available.
  • communications in which multiple messages or channels are carried simultaneously over the same transmission medium. cable TV, for instance, is broadband, as multiple channels are carried concurrently over a single coaxial cable.
  • communications at a speed of transmission higher than a determined amount. For example, that exceeding 1.544 Mbps.

Information & Library Science

  • adjective able to transfer large amounts of data at high speed
  • noun a connection to the Internet that allows it to remain connected while still using phone and fax facilities on the same line, since many signals can be transmitted simultaneously