# quintuplex
## English
### Etymology

From Latin quīntuplex.

### Adjective

quintuplex (not comparable)
* Synonym of quintuple in its various senses.
** 1844, William Henry Smyth, “θ$^1$ Orionis”, in Cycle of Celestial Objects, for the Use of Naval, Military, and Private Astronomers, volume the second (The Bedford Catalogue), London: John W[illiam] Parker, […], page 130:This was entered 1 ♅. iii., in November, 1776, and had the honour of being the object to which the grand forty-foot reflector was first directed, in February, 1787, under the designation of “quadruple.” As a trapezium it was gazed at, measured, and delineated, for upwards of fifty years, when Σ. announced it “quintuplex,” by the addition of the little star E.
** 1881 February 14, “The Telegraph Clerks’ Agitation”, in The Manchester Guardian, number 10,764, page 7, column 5:The use of those scientific duplex, quadruplex, and even quintuplex systems could then safely be brought into general use, and this would render possible much cheaper telegraphy.
** 1996, Proceedings of the Summer Computer Simulation Conference, SCS, →ISBN, page 120, column 1:We need to point out that in some critical missions, the performance and reliability of a triplex system may not be high enough. In this case, the level of redundancy needs to be increased beyond a triplex system—a quintuplex system (K = 1, N = 5) or a double-triplex system (K = 2, N = 3).

### Noun

quintuplex (plural quintuplexes)
* Synonym of quintuplet: A collection of 5 things.
** 1878 August 15, Rob[er]t N[ewton] Tooker, “A New Indictment Against the Liver”, in The United States Medical Investigator. A Semi-Monthly Journal of the Medical Sciences., volume VIII, number 4 (whole 220), Chicago, Ill.: The […] Press, […], page 189:Indeed, physiologically considered, the liver is the great original duplex, while anatomically, it is the enigmatical quintuplex; for it has five lobes, five vessels, five ligaments, five fissures, and, singularlly enough, five letters spells its name.
** 1880 March 22, “Five Babies at One Birth”, in The Lancaster Intelligencer, volume XVI, number 172, Lancaster, Pa., page [1], column 5:The last-mentioned, the smallest, a girl, was the first-born of the quintuplex and is the one that has survived.
** 1965, The Oil and Gas Journal, page 113:And the Pacemaker outperforms all conventional triplexes and quintuplexes.
** 1969, Materials Requirements for Petroleum Exploration and Production, National Petroleum Council, page 135:For the purposes of this presentation, it was assumed that water was to be injected at 2,500 psig and that piston pumps graduating from small triplexes to large quintuplexes would be employed.
** 1999, Charles F. Conaway, The Petroleum Industry: A Nontechnical Guide, Tulsa, Okla.: PennWell Corporation, →ISBN:Typical configurations are simplexes (one plunger), triplexes (three plungers), and quintuplexes (five plungers).
* Synonym of fiveplex: A building divided into 5 residences or businesses.
** 1951, Architectural Record, page 107, column 2:Clemson Homes has 32 duplexes with two- and three-bedroom units, four quadruplexes and four quintuplexes, providing a total of 100 apartments.
** 2000 April, Québec, 2000–2001, Ulysses Travel Guides, →ISBN, page 39, column 1:Between 1900 and 1930, thousands of these duplexes, triplexes, quadruplexes, and quintuplexes were built along Montréal’s straight streets.
** 2006, Janet Auty-Carlisle, Kai Hansen, “Areas”, in Relocation 101: Focus on Montréal, 2nd edition, Canadian Relocation Systems, →ISBN, section “City of Montréal Communities”, subsection “Saint-Léonard”, page 41:The residential sector, which covers most of the territory, includes duplexes, triplexes, quintuplexes and bungalows.

## Latin
### Etymology

From quīnque (“five”) and quīntus (“fifth”) +‎ -plex (“-fold”), from plicō (“to fold”).

### Pronunciation

* (Classical Latin) IPA: /ˈkʷiːn.tu.pleks/, [ˈkʷiːn̪t̪ʊpɫ̪ɛks̠]
* (modern Italianate Ecclesiastical) IPA: /ˈkwin.tu.pleks/, [ˈkwin̪t̪upleks]

### Adjective

quīntuplex (genitive quīntuplicis, adverb quīntupliciter); third-declension one-termination adjective
* (Late Latin, Medieval Latin) fivefold, possessing five parts
    Synonyms: quīnquiplex, quīnārius

#### Declension

Third-declension one-termination adjective.

### References

* “quintuplex”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
* quintuplex in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
* R. E. Latham, D. R. Howlett, & R. K. Ashdowne, editors (1975–2013), “quintuplex”, in Dictionary of Medieval Latin from British Sources‎, London: Oxford University Press for the British Academy, →ISBN, →OCLC