Ringworld Definition

noun

(science fiction) An artificial megastructure in space, consisting of a rotating ring encircling a star and having an inhabitable inner surface with gravity produced through centripetal force.

Wiktionary

Other Word Forms of Ringworld

Noun

Singular:
ringworld
Plural:
ringworlds

Origin of Ringworld

  • ring +‎ world, introduced by Larry Niven in the novel Ringworld (1970).

    From Wiktionary

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