Search Dictionary
Definition of quadruplex

quadruplex

/ˈkwɑː.drə.plɛks/
quad · ru · plex
Plural:quadruplexes
JUMP TO:

quadruplex Lexical Profile

quadruplex Game Scores & Validity

• noun

1

North American A residential building divided into four separate apartments or living units.

Example

"The investor purchased a quadruplex near the university to rent out the individual units to students."

2

A four-stranded molecular structure, particularly a type of nucleic acid sequence such as a G-quadruplex found in DNA or RNA.

Example

"Researchers are studying how the formation of a G-quadruplex in the promoter region can regulate gene expression."

Synonyms
View all synonyms for quadruplex

• Rhymes for quadruplex

• Nearby Words

quadcopter
quadratrix
quadriplex
quadruplex
quagga
quail
quakertown

Word Origin & Etymology

From Latin 'quadruplex', meaning 'fourfold', derived from 'quattuor' (four) and '-plex' (fold).

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Quadruplex. In Wordmom Dictionary. Retrieved Oct 22, 2026, from https://wordmom.com/dictionary/quadruplex
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Word Games & Solvers
Word FinderScrabble Word FinderWords With Friends CheatWordle SolverAnagram Solver
Dictionary & Reference
DictionarySynonymsAntonymsWords
Community
Contact UsEditorial PolicyPrivacy PolicyTerms and Conditions
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.