noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Synonym of antiuniverse (“a conjectured universe formed from antimatter”).
2. 2
   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.

Synonyms

All synonyms

antiuniverse

Etymology

From anti- + -verse.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.