synchronous

/ˈsɪŋkrənəs/
adjective
  1. Happening, existing, or doing something at the same time.
    • Synchronous online classes require students to log in at the same time.
    • The flashing lights were synchronous with the beat of the music.
    • The dancers performed a synchronous routine, moving as one.
  2. (of a satellite or orbit) Having an orbital period equal to the rotation period of the body being orbited, so that the satellite stays over the same spot.
    • Communications satellites are often placed in synchronous orbits for constant coverage.
    • A geosynchronous satellite orbits Earth once every 24 hours.
    • The moon is in synchronous rotation with Earth, always showing the same face.
  3. (of a machine or electronic system) Operating at a fixed, coordinated rate or frequency with another system.
    • The factory uses synchronous conveyor belts to move products in perfect timing.
    • Synchronous data transmission sends bits at a steady rate without start/stop signals.
    • Synchronous motors run at a constant speed determined by the power frequency.
Antonyms
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