isochron

Etymology
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Noun

 * 1)  A line on a chart linking rock of the same age (as determined from isotope ratios).
 * 2)  A collection of points (such as a manifold), each point representing a set of initial conditions for a given dynamical system, such that every set results in the same long-term behaviour of the system.
 * 1)  A collection of points (such as a manifold), each point representing a set of initial conditions for a given dynamical system, such that every set results in the same long-term behaviour of the system.

Translations

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