Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The collection of parallel universes that comprise all of reality in some quantum mechanical and cosmological theories.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun physics, cosmology The hypothetical group of all the possible universes in existence.

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[multi– + (uni)verse.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

multi + universe

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Examples

Comments

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  • Well, if there's a UNIverse, then there's gotta be something even bigger called the MULTIverse...

    March 1, 2008

  • Multiverse feels very poetic.

    March 1, 2008