parallel universe

noun — 2 senses

parallel universe

noun
1

Astronomy, Cosmology, Literature, Media, Natural sciences, Publishing, Science fiction, Sciences A universe that exists separately alongside another universe, as part of a multiverse.

  • Subjectively we perceive this as a single, unpredictable or ‘random’ outcome, though from the multiverse point of view all the outcomes have actually happened. This parallel-universe multiplicity is the real reason for the unpredictability of the weather.1998 [1997], David Deutsch, The Fabric of Reality, New York: Penguin Books, →ISBN, page 202:
2

The universe of an alternative history.

Synonyms
parallel world
Antonyms
non-parallelizable universe
Related terms
perpendicular universe

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.