from
The Free On-line Dictionary of Computing (8 July 2008)
plesiochronous
<communications> Nearly synchronised, a term describing a
communication system where transmitted signals have the same
nominal digital rate but are synchronised on different clocks.
According to {ITU-T} {standards}, corresponding signals are
plesiochronous if their significant instants occur at
nominally the same rate, with any variation in rate being
constrained within specified limits.
[Pronunciation? /ples'ee-oh-kroh'nus/?]
(1995-03-02)