perigalacticum

P3E1R1I1G2A1L1A1C3T1I1C3U1M3

noun

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

Scrabble 23
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounperigalacticum (plural perigalactica)

plural perigalactica

  1. astronomyThe 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
Cite this entry
APA

perigalacticum. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/perigalacticum

MLA

“perigalacticum.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/perigalacticum. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “perigalacticum,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/perigalacticum.

Source: perigalacticum on Wiktionary, CC BY-SA 4.0.