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Computing (FOLDOC) dictionary (also found in English - English (Wordnet), French - Vietnamese)
quadruplex
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communications A kind of telegraphy system developed by
Thomas A. Edison in the 1870s combining diplex and duplex
communications to support simultaneous transmission of two
messages in each direction.
(2000-04-02)
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  • Words contain "quadruplex" in its definition in Computing (FOLDOC) dictionary: 
    quadruplex bug
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