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Webster 1913 Edition

Quadruplex

Quad′ru-plex

,
Adj.
[L., from
quattuor
four +
plicare
to fold.]
Fourfold; folded or doubled twice.
Quadruplex system
(Electric Telegraph)
,
a system by which four messages, two in each direction, may be sent simultaneously over the wire.

Definition 2025

quadruplex

quadruplex

English

Adjective

quadruplex ‎(not comparable)

  1. Having four components.
  2. Of or relating to a system in telegraphy by which four messages (two in each direction) can be sent on one wire simultaneously.
  3. Of or relating to an early videotape format with four magnetic record/reproduce heads mounted on a headwheel spinning transversely across the tape.

Translations

Noun

quadruplex ‎(plural quadruplexes)

  1. A quadruplex system

Translations

Latin

Etymology

From quattuor ‎(“four”) + plicō ‎(“fold, double up”)

Pronunciation

  • (Classical) IPA(key): /ˈkʷa.dru.pleks/, [ˈkʷa.drʊ.pɫɛks]

Adjective

quadruplex m, f, n ‎(genitive quadruplicis); third declension

  1. fourfold, quadruple

Inflection

Third declension.

Number Singular Plural
Case / Gender Masc./Fem. Neuter Masc./Fem. Neuter
nominative quadruplex quadruplicēs quadruplicia
genitive quadruplicis quadruplicium
dative quadruplicī quadruplicibus
accusative quadruplicem quadruplex quadruplicēs quadruplicia
ablative quadruplicī quadruplicibus
vocative quadruplex quadruplicēs quadruplicia

Noun

quadruplex n ‎(genitive quadruplicis); third declension

  1. a fourfold amount

Inflection

Third declension neuter.

Case Singular Plural
nominative quadruplex quadruplica
genitive quadruplicis quadruplicum
dative quadruplicī quadruplicibus
accusative quadruplex quadruplica
ablative quadruplice quadruplicibus
vocative quadruplex quadruplica

Related terms

Descendants

References

Etymology

From Latin quadruplex ‎(“fourfold, quadruple”), from quattuor ‎(“four”) + plico ‎(“fold”)

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