dark-zilla

noun

Theoretical extremely massive dark matter particle, orders of magnitude greater than 10¹⁰ GeV (gigaelectronvolts), thought to be generated by a vacuum phase change event, where rapidly colliding collapsing bubbles of false vacuum generate the particles in energetic collisions.

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Meanings

noundark-zilla (plural dark-zillas)

plural dark-zillas · alternative darkzilla

  1. astronomyTheoretical extremely massive dark matter particle, orders of magnitude greater than 10¹⁰ GeV (gigaelectronvolts), thought to be generated by a vacuum phase change event, where rapidly colliding collapsing bubbles of false vacuum generate the particles in energetic collisions.

Origin

From dark + -zilla. From being the dark sector version of WIMPzilla. Coined by Katherine Freese and Martin Wolfgang Winkler in 2023.

Full word history & related roots →
Cite this entry
APA

dark-zilla. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/dark-zilla

MLA

“dark-zilla.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/dark-zilla. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “dark-zilla,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/dark-zilla.

Source: dark-zilla on Wiktionary, CC BY-SA 4.0.