isochrone

[ahy-suh-krohn]

noun

1. a line, as on a map, connecting all points having some property simultaneously, as in having the same delay in receiving a radio signal from a given source or requiring the same time to be reached by available transportation from a given center.

isochrone

/ ˈaɪsəʊˌkrəʊn /

noun

1. a line on a map or diagram connecting places from which it takes the same time to travel to a certain point

Word History and Origins

Origin of isochrone¹

1690–1700; back formation from isochronous or isochronal

Example Sentences

The world is an isochrone map, where distances are only as great as the time they take you to cross.

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Think of an isochrone map, where bands of color denote travel time from a central location, adapted to correspond to France’s thriving cities: Paris, Lyon, Bordeaux, and a handful of others.

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