Translate duplex | into German | into Spanish Definition of duplex
noun
1a house divided into two apartments, with a separate entrance for each. an apartment on two floors.
2 Biochemistry a double-stranded polynucleotide molecule.
adjective
1having two parts, in particular. (of a house) consisting of two apartments. (of an apartment) on two floors. (of paper or board) having two differently colored layers or sides. (of a printer or its software) capable of printing on both sides of the paper.
2(of a communications system, computer circuit, etc.) allowing the transmission of two signals simultaneously in opposite directions. Compare with multiplex, simplex.
