isochronous curve
isochronous curve
[ī¦sä·krə·nəs ′kərv] (mathematics)
A curve with the property that the time for a particle to reach a lowest point on the curve if it starts from rest and slides without friction does not depend on the particle's starting point.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.