dyson sphere

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. A [[hypothetical]] system of orbiting [[solar power]] [[satellite]]s meant to completely [[encompass]] a [[star]] and capture its entire [[energy]] [[output]].
2. {{lb|en|science fiction}} A solid [[shell]] of matter enclosing a star.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.