The DICT Development Group

  Synchronous \Syn"chro*nous\, a. [Gr. ?; sy`n with + ? time. Cf.
     Chronicle.]
     Happening at the same time; simultaneous. --
     Syn"chro*nous*ly, adv.
     [1913 Webster]

  synchronous
       adj 1: 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" [syn: synchronal, synchronic]
              [ant: asynchronous]
       2: (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 [ant: asynchronous]

  112 Moby Thesaurus words for "synchronous":
     accompanying, accordant, according, affirmative, agreeable,
     agreeing, answerable, associate, associated, assonant, assonantal,
     at one, at one with, attuned, blended, blending, chiming, coacting,
     coactive, coadunate, coetaneous, coeval, coexistent, coexisting,
     coherent, coincident, coinciding, collaborative, collective,
     collusive, combined, combining, commensurate, compatible,
     concerted, concomitant, concordant, concurrent, concurring,
     conformable, congenial, congruent, congruous, conjoint,
     consentaneous, consentient, consilient, consistent, consonant,
     conspiratorial, contemporaneous, cooperant, cooperating,
     cooperative, coordinate, correspondent, corresponding, coworking,
     en rapport, equivalent, harmonic, harmonious, harmonizing,
     homophonic, in accord, in agreement, in chorus, in concert,
     in concord, in phase, in rapport, in step, in sync,
     in synchronization, in tempo, in time, in tune, in unison,
     inaccordance, inharmony, joint, like-minded, meeting, monodic,
     monophonic, of a piece, of like mind, of one mind, on all fours,
     on the beat, parasitic, positive, proportionate, reconcilable,
     saprophytic, self-consistent, simultaneous, symbiotic, symphonious,
     synchronal, synchronic, synchronized, synergetic, synergic,
     synergistic, tuned, unanimous, uniform, unisonant, unisonous,
     united, uniting
  
  

  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.
       
          (1996-04-11)