[trip-leks, trahy-pleks]
See more synonyms for triplex on
  1. something triple.
  2. Music. triple time.
  3. an apartment having three floors.
  4. a multiplex of three theaters or movie houses.

Origin of triplex

1595–1605; < Latin triplex (stem triplic-) threefold, equivalent to tri- tri- + -plex -plex Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for triplex

Historical Examples of triplex

British Dictionary definitions for triplex


  1. a less common word for triple

Word Origin for triplex

C17: from Latin: threefold, from tri- + -plex -fold


  1. trademark British a laminated safety glass, as used in car windows
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