Noun
(philosophy) The world, considered as lacking in purpose, design, or predictability.
(physics, cosmology) The hypothetical group of all the possible universes in existence.
Our universe is a very small part of the multiverse.
(fiction) The different canons, continuities or timelines of a fictional property, considered as a whole.
In the DC multiverse, our reality is called "Earth-33". But in the Marvel multiverse, it's "Earth-1218".
Multiverse (plural Multiverses)
Alternative letter-case form of multiverse
The shortest unit of time in the multiverse is the New York Second, defined as the period of time between the traffic lights turning green and the cab behind you honking. Terry Pratchett
The traditional "cosmological” Multiverse considers that there might be physical realms inaccessible to us due to their separation in space-time. The quantum Multiverse arises from entities that occupy the same space-time, but are distant in Hilbert space – or in the jargon, decoherent. Frank Wilczek
There are many horrible sights in the multiverse. Somehow, though, to a soul attuned to the subtle rhythms of a library, there are few worse sights than a hole where a book ought to be. Someone had stolen a book. Terry Pratchett
String theory envisions a multiverse in which our universe is one slice of bread in a big cosmic loaf. The other slices would be displaced from ours in some extra dimension of space. Brian Greene
We have to wonder, if there is a multiverse, in some other patch of that multiverse are there creatures? Janna Levin
I believe we exist in a multiverse of universes. Michio Kaku