Phrase guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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noun
The extent of a universe within the cosmological horizon of an observer.
Definition source: English Wiktionary via Wiktextract
Topics: astronomy, natural-sciences
No example sentence was provided for this meaning.
Synonyms: known universe
Antonyms: none provided
History
No etymology was provided for this word.
Across languages
10 source translations are retained for this English entry.
