Definitions

1. noun

the state of being contemporary in time, or of having the same age or period of origin.

“The coevality of the two ancient civilizations has been a topic of interest among historians for years.”

2. noun

the quality of being equal in age or period of origin.

“The coevality of the two friends, who had grown up together, was evident in their shared memories.”

3. noun

the state of being of the same age or period as something else.

“The coevality of the two events in history has been a subject of study for many years.”