The simultaneous transmission of multiple signals on the same channel(noun)
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Use "multiplexing" in a sentence
"Imposing several different channels on one cable-length is called multiplexing and, depending on the application, the various channels can either carry several different computer conversations simultaneously or can send several bits of one computer conversation in parallel, just as though there were a ribbon cable between the two participating computers."
"Called multiplexing, the technology could allow pathologists to conduct more than 50 different stains on a single tissue section."
"While the M68k is a 32-bit processor, the version originally used in the Amiga, the 68000, has a 16-bit external data bus so it must transfer 32 bits of data in two consecutive steps, a technique called multiplexing -- all this is transparent to the software, which was 32-bit from the beginning."