Main Entry:

¹du·plex

Pronunciation:

\ˈdü-ˌpleks also ˈdyü-\

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 RNA2: allowing telecommunication in opposite directions simultaneously