rediffusionn.

Brit.

/ˌriːdᵻˈfjuːʒn/, U.S.

/ˌridəˈfjuʒ(ə)n/

Origin: Formed within English, by derivation. Etymons: re- prefix, diffusion n.

Etymology: < re- prefix + diffusion n., after rediffuse v.

1. Chiefly Science. Additional, subsequent, or different diffusion; an instance or case of this.

ΚΠ

1834 Good's Bk. Nature (ed. 3) II. xi. 335 It was my intention, in proof of this assertion,..to have contemplated them on their re-appearance and re-diffusion, their resurrection and restoration to life and action, under the fostering providence of the illustrious houses of Medici, Urbano, Gonzaga, and Este.

1840 A. Bartholomew Specif. Pract. Archit. Index Forces (Active),..rediffusion of, at the feet of wall-buttresses.

1893 Trans. Amer. Philos. Soc. 17 94 The oöspores may germinate. Preparation for this process consists in the breaking up of the oil globule and its rediffusion through the protoplasm.

1902 Amer. Jrnl. Sociol. 7 607 The dominant tendency..is toward the centralization of knowledge and power, and the rediffusion of specific activities from that center.

1940 Jrnl. Hygiene 40 336 Rediffusion of the germicide into the surrounding fluid occurred after death of the bacteria.

1962 R. L. Meier Communications Theory Urban Growth 36 Growing commerce..brought about a rediffusion of the arts to cities of the Mediterranean.

1974 Analytica Chimica Acta 69 134 The rediffusion of the gas is not hindered by a porous membrane.

1995 Internat. Jrnl. Food Sci. & Technol. 30 807 The possibility of food contamination with polycyclic aromatic hydrocarbons by rediffusion from polyethylene film.

2. Broadcasting.

a. The dissemination, broadcasting, or rebroadcasting of a programme by (a) reproduction on loudspeakers and screens in public places; (b) transmission by a broadcasting company which was not responsible for making it; (c) publication by other media of items from a radio or television programme.

ΘΚΠ

society > communication > broadcasting > [noun] > rebroadcasting

rediffusion1927

rebroadcasting1929

1927 Observer 13 Nov. 19/5 The best programmes of the British service will be available for re-diffusion throughout the Continent as well as throughout the Empire and the rest of the world.

1933 B.B.C. Year-bk. 1934 28 It was found possible to apply the [Copyright] Act..to public loud~speaker ‘rediffusion’.

1934 Electr. Communication 13 174/1 ‘Rediffusion’ designates a system whereby a radio broadcast programme is received, amplified, and distributed over an independent line network to a community of subscribers.

1948 Daily Tel. 9 June 6/5 The Association for the Protection of Copyright in Sport set out to secure certain safeguards, particularly against general ‘rediffusion’ of television on big cinema screens.

1950 Sport 7 Apr. 22/4 Sporting events will, I think, be among the most popular types of rediffusion.

1967 W. Soyinka Kongi's Harvest 2 Who but a lunatic Will bandy words with boxes With government rediffusion sets Which talk and talk and never Take a lone word in reply.

1993 Sunday Gleaner (Kingston, Jamaica) 7 Nov. e5/2 Television had not taken over yet, but we had radio and rediffusion.

b. spec. The distribution of radio or television transmissions by cable from a single receiver.

ΘΚΠ

society > communication > broadcasting > [noun] > systems or methods

closed circuit1827

hookup1903

network1914

narrowcasting1924

rediffusion1931

networking1940

digital1978

1931 Times 25 July 17/4 In this country a scheme of rediffusion of broadcast signals by land line has been satisfactorily in operation in certain towns for some time.

1935 Nature 2 Feb. 196/1 ‘Rediffusion’ is a method of distributing a broadcast programme over an independent line network to a number of subscribers.

1968 N. Bethell & D. Burg tr. A. Solzhenitsyn Cancer Ward I. xix. 295 Vadim..was happily surprised to discover there was no radio... (..For years they had been planning to move the clinic into better-equipped quarters, and the new place..was going to be wired with rediffusion points throughout.)

1975 C. Stuart in J. Reith Diaries ii. 179 Wireless or relay exchange (also called rediffusion) was the practice of wiring broadcast programmes to individual subscribers by commercial companies operating under licence from the Post Office.

1985 BBC Summary World Broadcasts (Nexis) 23 Aug. In the USSR..people listen to cable rediffusion broadcasting three or four times as much as to direct radio broadcasting.

This entry has been updated (OED Third Edition, September 2009; most recently modified version published online March 2022).

单词	rediffusion
释义	rediffusionn. Brit. /ˌriːdᵻˈfjuːʒn/, U.S. /ˌridəˈfjuʒ(ə)n/ Origin: Formed within English, by derivation. Etymons: re- prefix, diffusion n. Etymology: < re- prefix + diffusion n., after rediffuse v. 1. Chiefly Science. Additional, subsequent, or different diffusion; an instance or case of this. ΚΠ 1834 Good's Bk. Nature (ed. 3) II. xi. 335 It was my intention, in proof of this assertion,..to have contemplated them on their re-appearance and re-diffusion, their resurrection and restoration to life and action, under the fostering providence of the illustrious houses of Medici, Urbano, Gonzaga, and Este. 1840 A. Bartholomew Specif. Pract. Archit. Index Forces (Active),..rediffusion of, at the feet of wall-buttresses. 1893 Trans. Amer. Philos. Soc. 17 94 The oöspores may germinate. Preparation for this process consists in the breaking up of the oil globule and its rediffusion through the protoplasm. 1902 Amer. Jrnl. Sociol. 7 607 The dominant tendency..is toward the centralization of knowledge and power, and the rediffusion of specific activities from that center. 1940 Jrnl. Hygiene 40 336 Rediffusion of the germicide into the surrounding fluid occurred after death of the bacteria. 1962 R. L. Meier Communications Theory Urban Growth 36 Growing commerce..brought about a rediffusion of the arts to cities of the Mediterranean. 1974 Analytica Chimica Acta 69 134 The rediffusion of the gas is not hindered by a porous membrane. 1995 Internat. Jrnl. Food Sci. & Technol. 30 807 The possibility of food contamination with polycyclic aromatic hydrocarbons by rediffusion from polyethylene film. 2. Broadcasting. a. The dissemination, broadcasting, or rebroadcasting of a programme by (a) reproduction on loudspeakers and screens in public places; (b) transmission by a broadcasting company which was not responsible for making it; (c) publication by other media of items from a radio or television programme. ΘΚΠ society > communication > broadcasting > [noun] > rebroadcasting rediffusion1927 rebroadcasting1929 1927 Observer 13 Nov. 19/5 The best programmes of the British service will be available for re-diffusion throughout the Continent as well as throughout the Empire and the rest of the world. 1933 B.B.C. Year-bk. 1934 28 It was found possible to apply the [Copyright] Act..to public loud~speaker ‘rediffusion’. 1934 Electr. Communication 13 174/1 ‘Rediffusion’ designates a system whereby a radio broadcast programme is received, amplified, and distributed over an independent line network to a community of subscribers. 1948 Daily Tel. 9 June 6/5 The Association for the Protection of Copyright in Sport set out to secure certain safeguards, particularly against general ‘rediffusion’ of television on big cinema screens. 1950 Sport 7 Apr. 22/4 Sporting events will, I think, be among the most popular types of rediffusion. 1967 W. Soyinka Kongi's Harvest 2 Who but a lunatic Will bandy words with boxes With government rediffusion sets Which talk and talk and never Take a lone word in reply. 1993 Sunday Gleaner (Kingston, Jamaica) 7 Nov. e5/2 Television had not taken over yet, but we had radio and rediffusion. b. spec. The distribution of radio or television transmissions by cable from a single receiver. ΘΚΠ society > communication > broadcasting > [noun] > systems or methods closed circuit1827 hookup1903 network1914 narrowcasting1924 rediffusion1931 networking1940 digital1978 1931 Times 25 July 17/4 In this country a scheme of rediffusion of broadcast signals by land line has been satisfactorily in operation in certain towns for some time. 1935 Nature 2 Feb. 196/1 ‘Rediffusion’ is a method of distributing a broadcast programme over an independent line network to a number of subscribers. 1968 N. Bethell & D. Burg tr. A. Solzhenitsyn Cancer Ward I. xix. 295 Vadim..was happily surprised to discover there was no radio... (..For years they had been planning to move the clinic into better-equipped quarters, and the new place..was going to be wired with rediffusion points throughout.) 1975 C. Stuart in J. Reith Diaries ii. 179 Wireless or relay exchange (also called rediffusion) was the practice of wiring broadcast programmes to individual subscribers by commercial companies operating under licence from the Post Office. 1985 BBC Summary World Broadcasts (Nexis) 23 Aug. In the USSR..people listen to cable rediffusion broadcasting three or four times as much as to direct radio broadcasting. This entry has been updated (OED Third Edition, September 2009; most recently modified version published online March 2022). < n.1834
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