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单词 octuplex
释义

octuplexadj.

Brit. /ˈɒktjᵿplɛks/, /ˈɒktʃᵿplɛks/, U.S. /ˈɑkt(j)əˌplɛks/
Origin: Formed within English, by derivation. Etymons: octu- comb. form, -plex suffix1.
Etymology: < octu- comb. form + -plex suffix1. Compare post-classical Latin octuplex eight-fold (c1150; compare obduplex probably occurring as transmission error for octuplex in a text of the 9th cent. or earlier). Compare slightly earlier octuplex v.
Telegraphy. rare. Now historical.
Designating a system of electric telegraphy in which eight simultaneous messages can be sent along the same wire.
ΘΚΠ
society > communication > telecommunication > [adjective] > types of system
multiplex1873
quadruplex1874
diplex1878
sextuplex1879
simplex1884
diode1886
hexode1886
tetrode1886
triode1886
octuplex1893
selective1906
quadded1914
multiplexed1964
muxed1991
1893 Rev. of Reviews Dec. 606 Mr. Edison is confident of attaining sextuplex and octuplex systems.
1999 Nature 7 Jan. 15/3 The octuplex of 1899 handled four telegrams in each direction simultaneously.
This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022).

octuplexv.

Origin: Probably formed within English, by conversion. Etymon: octuplex adj.
Etymology: Probably < octuplex adj. (although this is first attested slightly later).
Telegraphy. Obsolete. rare.
transitive. To render (a system of electric telegraphy) capable of transmitting eight simultaneous messages along the same wire.
ΘΚΠ
society > communication > telecommunication > [verb (transitive)] > render multiplex, etc.
multiplex1885
quadruplex1885
quad1886
octuplex1889
mux1983
1889 Times (Weekly ed.) 29 Mar. 5/2 If the line..is quadruplexed, the phonophoric instruments will ‘sextuplex’ or ‘octuplex’ it.
This entry has been updated (OED Third Edition, March 2004; most recently modified version published online September 2018).
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adj.1893v.1889
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