synchronous

Occurring or existing at the same time. synonym: contemporary.

Moving or operating at the same rate.

Having identical periods.

Having identical period and phase.

Relating to or being a satellite that orbits a celestial body at a speed that matches the body’s rotation, thus remaining stationary as observed from the body’s surface.

Synchronized by an electronic clock.

Happening at the same time; simultaneous.

In electricity, in step with the alternations of the current.

Happening at the same time; simultaneous.