antiverse

== English == === Alternative forms === anti-verse === Etymology === From anti- +‎ -verse. === Pronunciation === /æntivɚs/ === Noun === antiverse (plural antiverses) (astrophysics, cosmology) Synonym of antiuniverse (“a conjectured universe formed from antimatter”). (relativity) A conjectured universe of negative gravity, where gravity repels. A region found on Penrose diagrams for rotating Kerr black holes, by passing through the singularity.