isochronal

• There was something indescribably grim and bodeful in those isochronal batterings of the solid ground. —  Joan of Arc of the North Woods
• A trombone blatted -- there was the staccato tuck of a snare drum, and the boom of a bass drum came in with isochronal beats. —  When Egypt Went Broke
• He chewed slowly, conscientiously and continuously on tobacco which bulged in his cheek; his jaws, moving as steadily as a pendulum swings, seemed to set the time for the isochronal whistle-blast. —  Blow The Man Down A Romance Of The Coast - 1916
• Escapement friction plays an important role in the position and isochronal adjustments; the greater the friction encountered the slower the vibration of the balance. —  An Analysis of the Lever Escapement
• It often happens, however, during the first critical epoch, which is isochronal with the technical educational period of a girl, that after a few occasions of catamenial hemorrhage, moderate perhaps but still hemorrhage, which are not heeded, the conservative force of Nature steps in, and saves the blood by arresting the function. —  Sex in Education or, A Fair Chance for Girls

Roget's II: The New Thesaurus