"Isochrone" Natural Recordings by Native Speakers
An isochrone is a line or curve that connects all points on the surface of the Earth that are the same distance away from a central point. It is used in geography and cartography to show the distance from a central point or a reference point.
Isochronous Examples
Isochromic refers to lines or areas of equal pressure or temperature on a weather map. It is often used in meteorology to show the isobars (lines of equal atmospheric pressure) or isotherms (lines of equal temperature) on a weather map.