synchrony

noun

syn·​chro·​ny ˈsiŋ-krə-nē 

ˈsin-

plural synchronies

: synchronistic occurrence, arrangement, or treatment

Examples of synchrony in a Sentence

Recent Examples on the Web

As the ship repositioned at sunset, a pod of manta rays leaped from the water in perfect synchrony—a breathtaking cherry on top. —Stephanie Vermillion, Condé Nast Traveler, 21 Nov. 2025

The video later switches to an aerial view, showing a megapod of dolphins, all moving in synchrony across the water. —Soo Kim, MSNBC Newsweek, 24 Oct. 2025

As a person sleeps, this synchrony grows, producing brain waves that are lower in frequency and higher in amplitude. —Yasemin Saplakoglu, Quanta Magazine, 17 Oct. 2025

And this interbrain synchrony — which only occurs in certain brain areas, not the whole brain — seems to support things like teamwork. —Jonny Thomson, Big Think, 1 Oct. 2025

Word History

Etymology

synchron(ous) + -y entry 2

Note: As a linguistic term borrowed from French synchronie, it was introduced along with synchronique synchronic by Ferdinand de saussure; see note at diachrony.

First Known Use

1848, in the meaning defined above

Phrases Containing synchrony

• in synchrony with

Medical Definition

synchrony

noun

syn·​chro·​ny ˈsiŋ-krə-nē, ˈsin- 

plural synchronies

: synchronous occurrence, arrangement, or treatment

cells dividing in synchrony