dynamical horizon

noun

A mathematical concept in general relativity that describes a boundary in spacetime where the expansion of one null direction is zero and the expansion of the other null direction is negative.

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Meanings

noundynamical horizon (plural dynamical horizons)

plural dynamical horizons

  1. theoretical physicsA mathematical concept in general relativity that describes a boundary in spacetime where the expansion of one null direction is zero and the expansion of the other null direction is negative.
Cite this entry
APA

dynamical horizon. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/dynamical%20horizon

MLA

“dynamical horizon.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/dynamical%20horizon. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “dynamical horizon,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/dynamical%20horizon.

Source: dynamical horizon on Wiktionary, CC BY-SA 4.0.