Meanings
nounknown universe (plural known universes)
plural known universes
- The part of the physical universe that is known by observation or inference.
Synonyms: observable universe
Synonyms & antonyms
nounThe part of the physical universe that is known by observation or inference.
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Cite this entry
APA
known universe. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/known%20universe
MLA
“known universe.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/known%20universe. Accessed November 5, 2026.
Chicago
WatkinsX Dictionary, s.v. “known universe,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/known%20universe.
Source: known universe on Wiktionary, CC BY-SA 4.0.