n.
Pronunciation: ' dü- ˌ pleks also ' dyü-
Function: adjective
Etymology: Latin, from duo two + -plex -fold ― more at TWO , -FOLD
Date: 1567
1 a : having two principal elements or parts : DOUBLE , TWOFOLD b : having two complementary polynucleotide strands of DNA or of DNA and RNA
2 : allowing telecommunication in opposite directions simultaneously