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[brawd-band] /ˈbrɔdˌbænd/ Telecommunications.
of, relating to, or responsive to a continuous, wide range of frequencies.
Compare sharp (def 23).
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.
broadband transmission.
a broadband Internet connection.
Origin of broadband
1900-05; broad + band2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for broadband


a transmission technique using a wide range of frequencies that enables messages to be sent simultaneously, used in fast internet connections See also baseband
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Contemporary definitions for broadband
noun's 21st Century Lexicon
Copyright © 2003-2014, LLC
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Word Origin and History for broadband

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

Online Etymology Dictionary, © 2010 Douglas Harper
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broadband in Culture

broadband definition

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.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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broadband in Technology

A class of communication channel capable of supporting a wide range of frequencies, typically from audio up to video frequencies. A broadband channel can carry multiple signals by dividing the total capacity into multiple, independent bandwidth channels, where each channel operates only on a specific range of frequencies.
The term has come to be used for any kind of Internet connection with a download speed of more than 56 kbps, usually some kind of Digital Subscriber Line, e.g. ADSL. A broadband connection is typically always connected, in contrast to a dial-up connection, and a fixed monthly rate is charged, often with a cap on the total amount of data that can be transferred. Domestic broadband connections typically share a telephone line with normal voice calls and the two uses can occur simultaneously without interference.
See also baseband, narrowband.

The Free On-line Dictionary of Computing, © Denis Howe 2010
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