Word.ws English Dictionary

celatones

celatones is the plural of celatone.

Meaning of celatone

Noun

celatone (plural celatones)

  1. (historical) A device invented by Galileo Galilei to observe Jupiter's moons with the purpose of finding longitude on Earth. It took the form of a piece of headgear with a telescope taking the place of an eyehole.
    • Galileo had designed a special navigation helmet for finding longitude with the Jovian satellites. The headgear—the celatone—has been compared to a brass gas mask in appearance, with a telescope attached to one of the eyeholes.1995, Dava Sobel, Longitude

Questions about celatones

What is celatones the plural of?
Celatones is the plural of celatone.

Words near celatones in the dictionary

  1. Celaru
  2. Celas
  3. celastraceous
  4. celastrol
  5. celatone
  6. celatones
  7. celature
  8. celatures
  9. Celaya
  10. Celayas
  11. Celbridge

Source and license

Adapted from Wiktionary: celatones (page history and authors); celatone (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: “celatones.” Word.ws, https://word.ws/celatones. Based on Wiktionary, CC BY-SA 4.0.