Alternative form of alternate universe

(informal, astronomy, archaic) A galaxy

plural of expanded universe

In fiction, the extension of a media franchise (i.e. a television show, series of feature films, etc.) with other media (generally comics and original novels), often with the result being that the stories described in the other media are not considered canon in the original.

(logic) The set of all entities over which quantifiers—including "for all" and "there exists"—range.

plural of parallel universe

(sciences, science fiction) A universe that exists separately alongside another universe, as part of a multiverse.

plural of university of life

(US, slang) New York City

(slang, Canada, derogatory) The city of Toronto, due to its self-absorbed haughty attitude.