Word.ws English Dictionary

perigalacticum

perigalacticum noun: the closest point in a star's orbit around the centre of a galaxy (the galactic periapsis).

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

Forms of perigalacticum

pluralperigalactica

Questions about perigalacticum

What does perigalacticum mean?
Perigalacticum means the closest point in a star's orbit around the centre of a galaxy (the galactic periapsis).
What part of speech is perigalacticum?
Perigalacticum is a noun.
What is the plural of perigalacticum?
The plural of perigalacticum is perigalactica.

Words near perigalacticum in the dictionary

  1. perifusions
  2. perigalactic
  3. perigalactica
  4. perigalacticon
  5. perigalacticons
  6. perigalacticum
  7. periganglionic
  8. periganglionitis
  9. perigastric
  10. perigastritis
  11. perigastrulation

Source and license

Adapted from Wiktionary: 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: “perigalacticum.” Word.ws, https://word.ws/perigalacticum. Based on Wiktionary, CC BY-SA 4.0.