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

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

These pairs seemed to use synchrony as a jumping-off point for exploring more ideas rather than an end. —Emily Falk, Scientific American, 25 Sep. 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