Meanings
proper noun
- astronomyA cosmological model of the universe in which matter is continuously created as the universe expands.
Synonyms & antonyms
noun(cosmology) the theory that the universe maintains a constant average density with matter created to fill the void left by galaxies that are receding from each other
Similar
continuous creation theory
Broader
scientific theory
Synonym sets from Open English WordNet, CC BY 4.0.
Cite this entry
APA
steady state theory. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/steady%20state%20theory
MLA
“steady state theory.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/steady%20state%20theory. Accessed November 5, 2026.
Chicago
WatkinsX Dictionary, s.v. “steady state theory,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/steady%20state%20theory.
Source: steady state theory on Wiktionary, CC BY-SA 4.0.