Word.ws English Dictionary

exospheres

exospheres is the plural of exosphere.

Meaning of exosphere

Noun

exosphere (plural exospheres)

  1. the uppermost layer of a planet's atmosphere
  2. an extremely thin atmosphere, as on Saturn's moon Dione
    • "Scientists weren't even sure Dione would be big enough to hang on to an exosphere" ('Cassini Detects Hint of Fresh Air at Dione', , JPL, Mar. 02, 2012)

Questions about exospheres

What is exospheres the plural of?
Exospheres is the plural of exosphere.

Words near exospheres in the dictionary

  1. exosomopathies
  2. exosomopathy
  3. exosortase
  4. exosortases
  5. exosphere
  6. exospheres
  7. exospheric
  8. exospherical
  9. exosporal
  10. exospore
  11. exospores

Source and license

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