Meaning of pocket universe | Babel Free

Definitions

1. A hypothetical realm in inflationary theory, only one of which would contain our observable universe.
2. A small, self-contained fictional universe that borrows concepts from established universes.

Examples

“I set it in a 'pocket universe' based on role-playing games.”

“[…] the simulationist sought a game system that created "a little pocket universe without fudging."”

CEFR level