isochrony

[ ahy-sok-ruh-nee ]
/ aɪˈsɒk rə ni /

noun

the fact or state of occurrence at the same time; contemporaneity.

Origin of isochrony

First recorded in 1950–55; isochrone + -y3
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019