Word.ws English Dictionary

O'Neill cylinder

O'Neill cylinder noun: a proposed space settlement consisting of two cylinders that rotate to provide artificial gravity via centrifugal force.

Noun

O'Neill cylinder (plural O'Neill cylinders)

  1. A proposed space settlement consisting of two cylinders that rotate to provide artificial gravity via centrifugal force.
    Synonyms:
    O'Neill colony

Synonyms of O'Neill cylinder

Forms of O'Neill cylinder

pluralO'Neill cylinders

Origin of O'Neill cylinder

Proposed by American physicist Gerard K. O'Neill in his 1976 book The High Frontier: Human Colonies in Space.

Questions about O'Neill cylinder

What does O'Neill cylinder mean?
O'Neill cylinder means a proposed space settlement consisting of two cylinders that rotate to provide artificial gravity via centrifugal force.
What part of speech is O'Neill cylinder?
O'Neill cylinder is a noun.
What is the plural of O'Neill cylinder?
The plural of O'Neill cylinder is O'Neill cylinders.

Words near O'Neill cylinder in the dictionary

  1. O'Neal
  2. O'Neil
  3. O'Neill
  4. O'Neill colonies
  5. O'Neill colony
  6. O'Neill cylinder
  7. O'Neill cylinders
  8. O'Neillian
  9. O'Neillism
  10. O'Neillite
  11. O'Neillites

Source and license

Adapted from Wiktionary: O'Neill cylinder (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.

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Cite this entry: “O'Neill cylinder.” Word.ws, https://word.ws/o%27neill_cylinder. Based on Wiktionary, CC BY-SA 4.0.