Dirac sea

noun

A theoretical model of the vacuum as an infinite sea of particles with negative energy.

Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounDirac sea (plural Dirac seas)

plural Dirac seas

  1. natural sciencesA theoretical model of the vacuum as an infinite sea of particles with negative energy.

Origin

First postulated in 1930 by the British physicist Paul Dirac.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

Source: Dirac sea on Wiktionary, CC BY-SA 4.0.