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Definition of diplex

diplex

/ˈdaɪ.plɛks/
di · plex

Adjective:diplex
•
Past Simple:diplexed
•
Past Participle:diplexed
•
Present Participle:diplexing
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diplex Lexical Profile

diplex Game Scores & Validity

• adjective

1

Pertaining to the simultaneous transmission or reception of two different signals using a single communications channel, wire, or antenna in the same direction.

Example

"The engineers installed a diplex antenna system to broadcast both frequencies without running a second feedline up the tower."

• verb

1

To combine or transmit two signals simultaneously in the same direction over a single communication channel.

Example

"We had to diplex the radio frequencies to ensure smooth broadcasting across the existing network infrastructure."

Word Nuance & Usage

Often confused with 'duplex' in telecommunications; 'duplex' refers to two-way simultaneous communication in opposite directions, whereas 'diplex' specifically refers to two signals transmitted simultaneously in the same direction.

Word Origin & Etymology

Coined in the late 19th century for early telegraphy, from the prefix 'di-' (two) combined with the suffix '-plex' (fold), modeled directly after words like 'duplex' and 'multiplex'.

Cite this Entry


Wordmom. (2026). Definition of Diplex. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/diplex
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