broadbandadj.n.

Brit.

/ˈbrɔːdband/, U.S.

/ˈbrɔdˌbænd/,

/ˈbrɑdˌbænd/ (as a two-word noun also)Brit.

/ˌbrɔːdˈband/, U.S.

/ˈbrɔdˈbænd/,

/ˈbrɑdˈbænd/

Origin: Formed within English, by compounding. Etymons: broad adj., band n.²

Etymology: < broad adj. + band n.²

A. adj.

1. Of or relating to a band (band n.² 14) of frequencies covering a wide range; using or operating on such a band.

ΘΚΠ

the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > [adjective] > of specific band or bandwidth

broadband1919

mid-band1947

narrowband1971

1919 Official Gaz. (U.S. Patent Office) 2 Sept. 66/2 A broad band filter in one branch so constructed and arranged as to transmit a band of low frequencies below a limiting frequency and substantially exclude frequencies above said limiting frequency.

1942 Pop. Sci. Jan. 160/1 It employs a superheterodyne circuit plus a broadband RF stage for increased sensitivity.

1976 New Scientist 17 June 644/1 The particular advantage of such ‘troposcatter’ communications is that it can provide secure broadband radio links..without the risk of guerrilla attack on roadside cables.

2015 N. Kumar & A. Grebennikov Distributed Power Amplifiers viii. 319 The design of a broadband transformer (12Ω to 50Ω) with a minimum insertion loss (~1 dB) within the operating bandwidth frequency.

a. Designating a telecommunications network in which multiple services, such as phone, television, and computer data, are provided over a single, high-speed connection; of or relating to such a network.

ΚΠ

1981 Electronics & Power 27 806 Broadband networks use RF modulation to allow multiple channels on standard coaxial cable—telephone, TV and computer data can use the same cable.

1987 Computerworld 16 Nov. s2/3 The introduction of broadband communications does not..require implausible technological or imaginative leaps.

1997 Infoworld 10 Nov. 77 Cable modems link computers to broadband television cable through which Internet and telecommunications services are offered.

2014 R. Channer Calls of Duty xiv. 217 The company was using..its rapidly expanding broadband network to launch an IP television service.

b. Designating high-speed internet access capable of a faster transmission of data than dial-up (dial-up n. 2), typically involving transmission over multiple channels simultaneously via a single cable or data link; of, relating to or providing internet access of this kind.Some later examples may instead represent attributive use of the noun (in sense B. 2).

ΚΠ

1993 Re: Phone Tag with ISDN in comp.org.eff.talk (Usenet newsgroup) 29 Jan. Whether we rely on the cable network, wireless technology, or something else to provide broadband access, those options won't be available for 5–10 years to any significant percentage of the population.

1996 InfoWorld 8 July 62/3 Mass broadband access will require routing technology.

1998 Economist 7 Nov. 109/3 Anyone who has a high-speed broadband connection at work knows how it transforms the experience of the Internet.

2004 J. Gaskin Broadband Bible iv. 77 Some folks just live too far from large communities to get mainstream broadband service.

2016 Daily Mirror 27 Jan. 41 Broadband access and a phone line can cost £20 a month.

B. n.

1. Originally (as a count noun): a band (band n.² 14) of frequencies covering a wide range. In later use also (as a mass noun): the transmission of data, signals, etc., using such a band of frequencies.

ΘΚΠ

the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > [noun] > frequency > band of frequencies or wavelengths > of specific kind

long wave1913

stop band1922

broadband1956

narrowband1999

1956 W. A. Heflin U.S. Air Force Dict. 92/2 Broadband, a band having a wide range of frequencies.

1980 Aviation Week & Space Technol. (Nexis) 3 Nov. 199 We took the position that DARC was to be a substitute for broadband.

1991 Intermedia Mar. 48 We could all go digital..and make more rational use of broadband.

1999 Wall St. Jrnl. 8 Oct. a18/4 Demand is shifting from voice to data, from narrowband to broadband, and from wireline to wireless.

2. High-speed access to the internet, typically achieved through the simultaneous transmission of data over multiple channels in a single cable or data link; = broadband internet n. at Compounds; (also) a service providing this. Frequently contrasted with dial-up n. 2.

ΚΠ

1994 Bell Atlantic/TCI in alt.politics.datahighway (Usenet newsgroups) 24 Feb. Mostly, it's a cheap way to get broadband out to the consumer because there's already all that coax [= coaxial cable] out there.

1998 InfoWorld 27 Apr. 109/3 One factor accelerating the move to broadband is the Universal ADSL Working Group.

2006 J. Choudrie & Y. K. Dwivedi in M. W. Guah & W. L. Currie Internet Strategy v. 62 Although broadband has an impact on online shopping, the frequency of online purchases is not similar for all products.

2010 Financial Times 1 Oct. 4/7 The introduction of super-fast broadband has the potential to transform the local economy.

2016 Daily Express 2 Nov. 28/4 BT, EE, TalkTalk and Virgin offer..bundles combining your broadband, landline, digital TV and mobile.

Compounds

broadband internet n. high-speed access to the internet, typically achieved through the transmission of data via a single cable or data link over multiple channels simultaneously; (with the) the internet accessed in this way.

ΚΠ

1994 Costs, Performance & IPng in info.big-internet (Usenet newsgroup) 5 Apr. The ‘broadband’ Internet needs to support far more than the 255 flows per source host.

2005 Times 30 July (Mag.) 12/1 Now, thanks to broadband internet, it's not just big business that gets to go global.

2006 D. Minoli Voice Over IPv6 ii. 105 Operators need to consider their brand development, so that when the broadband Internet is truly mobile-accessible, they have built Internet brands in addition to..their telephony brand.

2014 N.Y. Times (National ed.) 16 Nov. (Business section) 9/5 Cogent's chief..said the cable and phone companies that provide broadband Internet to retail customers were ‘natural monopolies’.

This entry has been updated (OED Third Edition, September 2017; most recently modified version published online March 2022).

单词	broadband
释义	broadbandadj.n. Brit. /ˈbrɔːdband/, U.S. /ˈbrɔdˌbænd/, /ˈbrɑdˌbænd/ (as a two-word noun also)Brit. /ˌbrɔːdˈband/, U.S. /ˈbrɔdˈbænd/, /ˈbrɑdˈbænd/ Origin: Formed within English, by compounding. Etymons: broad adj., band n.² Etymology: < broad adj. + band n.² A. adj. 1. Of or relating to a band (band n.² 14) of frequencies covering a wide range; using or operating on such a band. ΘΚΠ the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > [adjective] > of specific band or bandwidth broadband1919 mid-band1947 narrowband1971 1919 Official Gaz. (U.S. Patent Office) 2 Sept. 66/2 A broad band filter in one branch so constructed and arranged as to transmit a band of low frequencies below a limiting frequency and substantially exclude frequencies above said limiting frequency. 1942 Pop. Sci. Jan. 160/1 It employs a superheterodyne circuit plus a broadband RF stage for increased sensitivity. 1976 New Scientist 17 June 644/1 The particular advantage of such ‘troposcatter’ communications is that it can provide secure broadband radio links..without the risk of guerrilla attack on roadside cables. 2015 N. Kumar & A. Grebennikov Distributed Power Amplifiers viii. 319 The design of a broadband transformer (12Ω to 50Ω) with a minimum insertion loss (~1 dB) within the operating bandwidth frequency. 2. a. Designating a telecommunications network in which multiple services, such as phone, television, and computer data, are provided over a single, high-speed connection; of or relating to such a network. ΚΠ 1981 Electronics & Power 27 806 Broadband networks use RF modulation to allow multiple channels on standard coaxial cable—telephone, TV and computer data can use the same cable. 1987 Computerworld 16 Nov. s2/3 The introduction of broadband communications does not..require implausible technological or imaginative leaps. 1997 Infoworld 10 Nov. 77 Cable modems link computers to broadband television cable through which Internet and telecommunications services are offered. 2014 R. Channer Calls of Duty xiv. 217 The company was using..its rapidly expanding broadband network to launch an IP television service. b. Designating high-speed internet access capable of a faster transmission of data than dial-up (dial-up n. 2), typically involving transmission over multiple channels simultaneously via a single cable or data link; of, relating to or providing internet access of this kind.Some later examples may instead represent attributive use of the noun (in sense B. 2). ΚΠ 1993 Re: Phone Tag with ISDN in comp.org.eff.talk (Usenet newsgroup) 29 Jan. Whether we rely on the cable network, wireless technology, or something else to provide broadband access, those options won't be available for 5–10 years to any significant percentage of the population. 1996 InfoWorld 8 July 62/3 Mass broadband access will require routing technology. 1998 Economist 7 Nov. 109/3 Anyone who has a high-speed broadband connection at work knows how it transforms the experience of the Internet. 2004 J. Gaskin Broadband Bible iv. 77 Some folks just live too far from large communities to get mainstream broadband service. 2016 Daily Mirror 27 Jan. 41 Broadband access and a phone line can cost £20 a month. B. n. 1. Originally (as a count noun): a band (band n.² 14) of frequencies covering a wide range. In later use also (as a mass noun): the transmission of data, signals, etc., using such a band of frequencies. ΘΚΠ the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > [noun] > frequency > band of frequencies or wavelengths > of specific kind long wave1913 stop band1922 broadband1956 narrowband1999 1956 W. A. Heflin U.S. Air Force Dict. 92/2 Broadband, a band having a wide range of frequencies. 1980 Aviation Week & Space Technol. (Nexis) 3 Nov. 199 We took the position that DARC was to be a substitute for broadband. 1991 Intermedia Mar. 48 We could all go digital..and make more rational use of broadband. 1999 Wall St. Jrnl. 8 Oct. a18/4 Demand is shifting from voice to data, from narrowband to broadband, and from wireline to wireless. 2. High-speed access to the internet, typically achieved through the simultaneous transmission of data over multiple channels in a single cable or data link; = broadband internet n. at Compounds; (also) a service providing this. Frequently contrasted with dial-up n. 2. ΚΠ 1994 Bell Atlantic/TCI in alt.politics.datahighway (Usenet newsgroups) 24 Feb. Mostly, it's a cheap way to get broadband out to the consumer because there's already all that coax [= coaxial cable] out there. 1998 InfoWorld 27 Apr. 109/3 One factor accelerating the move to broadband is the Universal ADSL Working Group. 2006 J. Choudrie & Y. K. Dwivedi in M. W. Guah & W. L. Currie Internet Strategy v. 62 Although broadband has an impact on online shopping, the frequency of online purchases is not similar for all products. 2010 Financial Times 1 Oct. 4/7 The introduction of super-fast broadband has the potential to transform the local economy. 2016 Daily Express 2 Nov. 28/4 BT, EE, TalkTalk and Virgin offer..bundles combining your broadband, landline, digital TV and mobile. Compounds broadband internet n. high-speed access to the internet, typically achieved through the transmission of data via a single cable or data link over multiple channels simultaneously; (with the) the internet accessed in this way. ΚΠ 1994 Costs, Performance & IPng in info.big-internet (Usenet newsgroup) 5 Apr. The ‘broadband’ Internet needs to support far more than the 255 flows per source host. 2005 Times 30 July (Mag.) 12/1 Now, thanks to broadband internet, it's not just big business that gets to go global. 2006 D. Minoli Voice Over IPv6 ii. 105 Operators need to consider their brand development, so that when the broadband Internet is truly mobile-accessible, they have built Internet brands in addition to..their telephony brand. 2014 N.Y. Times (National ed.) 16 Nov. (Business section) 9/5 Cogent's chief..said the cable and phone companies that provide broadband Internet to retail customers were ‘natural monopolies’. This entry has been updated (OED Third Edition, September 2017; most recently modified version published online March 2022). > see also also refers to : † broad-bandn.¹adj.¹adv. < adj.n.1919 see also
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broadbandadj.n.

Compounds

> see also