[ˈdjuːplɛks], (Noun)

Definitions:
- a residential building divided into two apartments

- a double-stranded polynucleotide molecule


Phrases:

Origin:
mid 16th century (as an adjective): from Latin duplex, duplic-, from duo ‘two’ + plicare ‘to fold’. The noun dates from the 1920s

[ˈdjuːplɛks], (Adjective)

Definitions:
- (of a house) consisting of two apartments

- (of paper or board) having two differently coloured layers or sides

- (of a communications system, computer circuit, etc.) allowing the transmission of two signals simultaneously in opposite directions

- (of DNA) formed of two cross-linked polynucleotide strands.


Phrases:

Origin:
mid 16th century (as an adjective): from Latin duplex, duplic-, from duo ‘two’ + plicare ‘to fold’. The noun dates from the 1920s