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quadruplex

American  
[kwod-roo-pleks, kwo-droo-pleks] / ˈkwɒd rʊˌplɛks, kwɒˈdru plɛks /

adjective

  1. fourfold; quadruple.

  2. noting or pertaining to a system of telegraphy by which four messages may be transmitted simultaneously over one wire or communications channel.


quadruplex British  
/ ˈkwɒdrʊˌplɛks, ˌkwɒdrʊˈplɪsɪtɪ, kwɒˈdruːplɛks /

adjective

  1. consisting of four parts; fourfold

  2. denoting a type of television video tape recorder having four transversely rotating heads

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • quadruplicity noun

Etymology

Origin of quadruplex

From Latin, dating back to 1870–75; quadru-, -plex

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The day of the shooting, Lorincz told investigators she had a headache and that “neighbors were outside screaming and yelling, kids were running around” in a grassy area separating two apartment quadruplex buildings, including hers.

From Seattle Times • Jun. 8, 2023

On the corner of East 86th Street and Madison Avenue, Naftali is building a 210-foot, 13-story tower with commercial space and 11 condo units, including a quadruplex penthouse, according to city filings.

From Seattle Times • Apr. 15, 2022

His first major invention, a quadruplex telegraph that allowed stations to send and receive messages simultaneously over the same wires, earned a handsome profit.

From New York Times • Oct. 22, 2019

As an adult, he fixed quadruplex videotape machines — an early commercial videotape format — in his basement, and founded a multimillion-dollar video company.

From Washington Post • Mar. 8, 2019

Under certain conditions of weather, one side of the quadruplex would work very shakily, and I had not succeeded in ascertaining the cause of the trouble.

From Edison, His Life and Inventions by Dyer, Frank Lewis