Word.ws English Dictionary

ringworld

ringworld noun: 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.

Noun

ringworld (plural ringworlds)

  1. 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.

Forms of ringworld

pluralringworlds

Origin of ringworld

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

Questions about ringworld

What does ringworld mean?
Ringworld means 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.
What part of speech is ringworld?
Ringworld is a noun.
What is the plural of ringworld?
The plural of ringworld is ringworlds.

Words near ringworld in the dictionary

  1. ringwoodite
  2. ringwoodites
  3. Ringwoods
  4. ringwork
  5. ringworks
  6. ringworld
  7. ringworlds
  8. ringworm
  9. ringwormed
  10. ringworms
  11. Ringwould

Source and license

Adapted from Wiktionary: ringworld (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “ringworld.” Word.ws, https://word.ws/ringworld. Based on Wiktionary, CC BY-SA 4.0.