Word.ws English Dictionary

periastra

periastra is the plural of periastron.

Meaning of periastron

Noun

periastron (plural periastrons or periastra)

  1. The point of an orbit in which a celestial body is at its closest to the star it is orbiting.

Questions about periastra

What is periastra the plural of?
Periastra is the plural of periastron.

Words near periastra in the dictionary

  1. periarteriolar
  2. periarteritis
  3. periarthritis
  4. periarticular
  5. periarticularly
  6. periastra
  7. periastral
  8. periastron
  9. periastrons
  10. periatrial
  11. periauger

Source and license

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