isochronal

Equal in duration.

Characterized by or occurring at equal intervals of time.

Uniform in time; of equal time; performed in equal times. Two pendulums which vibrate in the same time are isochronal; also, the vibrations of a pendulum in the curve of a cycloid have the same property, being all performed in the same time, whether the arc be large or small. Also isochronous.

Uniform in time; of equal time; performed in equal times; recurring at regular intervals.

having the same duration

happening at regular periods; isochronous, periodic

time dependent

equal in duration or interval