Past tense of duplex; converted to duplex form or equipped with duplex capability, especially in communication systems.
From duplex (double or twofold) plus the past tense suffix -ed. Duplex comes from Latin duplex. As a verb, it describes making something duplex or capable of two-way function.
The term 'duplexed' became common in telecommunications when engineers needed to send two signals simultaneously on one line—it literally doubled the efficiency of the system.
Complete word intelligence in one call. Free tier — 50 lookups/day.