Main definitions of quadruplex in English

: quadruplex1quadruplex2

quadruplex1

(also quadriplex)

Pronunciation /ˈkwɒdrʊplɛks/

adjective

  • 1rare Fourfold.

  • 2Telecommunications
    Originally: designating a system of telegraphy enabling four messages to be sent over a wire at the same time, two in each direction (now chiefly historical). Later also: relating to or designating the transmission or reception of four signals simultaneously over one channel or with one aerial.

  • 3Genetics
    Of a polyploid individual: having the dominant allele of a particular gene represented four times.

noun

  • 1historical A quadruplex telegraph.

  • 2North American rare A house or apartment that has four rooms.

  • 3An apartment that has four floors connected by interior staircases.

  • 4A building divided into four separate residences; = "quadplex".

Origin

Early 17th century; earliest use found in Thomas Palmer (?1541–1626), author. From classical Latin quadruplex fourfold, multiplied by four, four times as much from quadru- + -plex. Compare earlier quadruple, quadruplicity.

Main definitions of quadruplex in English

: quadruplex1quadruplex2

quadruplex2

Pronunciation /ˈkwɒdrʊplɛks/

verb

Telecommunications
  • To make (a circuit, conductor, etc.) quadruplex; to multiply (a circuit's capacity) fourfold; now chiefly historical.

Origin

Late 19th century; earliest use found in The Electrician. From quadruplex.