Synchronous

a.

1.

Happening at the same time; simultaneous.

Adj.	1.	synchronous - occurring or existing at the same time or having the same period or phase; "recovery was synchronous with therapy"- Jour.A.M.A.; "a synchronous set of clocks"; "the synchronous action of a bird's wings in flight"; "synchronous oscillations" Synonyms: synchronal, synchronic Antonyms: asynchronous - not synchronous; not occurring or existing at the same time or having the same period or phase
	2.	synchronous - (digital communication) pertaining to a transmission technique that requires a common clock signal (a timing reference) between the communicating devices in order to coordinate their transmissions Antonyms: asynchronous - (digital communication) pertaining to a transmission technique that does not require a common clock between the communicating devices; timing signals are derived from special characters in the data stream itself

(operating system, communications)

synchronous - 1. Two or more processes that depend upon the occurrences of specific events such as common timing signals. 2. Occurring at the same time or at the same rate or with a regular or predictable time relationship or sequence. Opposite: asynchronous.

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