One entry found for
synchronous.
Main Entry:
syn·chro·nous 
Pronunciation:
si
-kr
-n
s,
sin-
Function:
adjective
Etymology: from Latin
synchronos "synchronous," from Greek
synchronos (same meaning), from
syn- "together, along with" and
chronos "time" --related to
CHRONICLE,
SYNONYMOUS
: happening or existing at the same time
: SIMULTANEOUS