emission theory

noun

A discredited scientific theory, once considered an alternative to special relativity, proposing that light is emitted at speed c relative to its source instead of applying the invariance postulate.

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Meanings

nounemission theory (uncountable)
  1. uncountablenatural sciencesA discredited scientific theory, once considered an alternative to special relativity, proposing that light is emitted at speed c relative to its source instead of applying the invariance postulate.
Cite this entry
APA

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

MLA

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

Chicago

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

Source: emission theory on Wiktionary, CC BY-SA 4.0.