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perigalactica

perigalactica is the plural of perigalacticum.

Meaning of perigalacticum

Noun

perigalacticum (plural perigalactica)

  1. The closest point in a star's orbit around the centre of a galaxy (the galactic periapsis).
    • During the late Cenozoic glaciation, high-latitude glaciation started in the Miocene 14 m.y. ago, and the sun is presently 8 + 4 m.y. from the perigalacticum.1981, George Ellis Williams, Megacycles: Long-term Episodicity in Earth and Planetary History

Questions about perigalactica

What is perigalactica the plural of?
Perigalactica is the plural of perigalacticum.

Words near perigalactica in the dictionary

  1. perifusates
  2. perifused
  3. perifusion
  4. perifusions
  5. perigalactic
  6. perigalactica
  7. perigalacticon
  8. perigalacticons
  9. perigalacticum
  10. periganglionic
  11. periganglionitis

Source and license

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