sextuplex, a.
(ˈsɛkstjuːplɛks)
[a. med.L. sextuplex, f. sex six, after triplex, quadruplex, etc. Cf. sextuple a.]
Sixfold.
| 1668 Wallis in Rigaud Corr. Sci. Men (1841) II. 495 Sextuplex is as much the double of triplex as 6 is the double of 3. |
b. Electric Telegr. Applied to a system by which six messages may be transmitted simultaneously by the same wire. Hence ˈsextuplex v.
| 1889 [see octuplex]. 1891 Preece & Sivewright Telegraphy x. (ed. 9) 202 The application of the same terms, duplex, quadruplex and sextuplex..to the corresponding arrangements in multiplex working would tend to confusion. 1895 Times 29 Jan. 6/6 The wires were all worked on the simplex plan 25 years ago; now the processes are simplex, duplex, quadruplex, and sextuplex. |