In that same instant, on the stroke of ten, by an infernal marvel of synchronization, every property of d’Anconia Copper on the face of the globe, from Chile to Siam to Spain to Pottsville, Montana, had been blown up and swept away.
There are no more uses of "synchronous" in the book.
Show samples from other sources
The fireworks were synchronized with the music.
Synchronized swimming is one of her favorite Olympic events.