perigalacticon

English

Etymology

From peri- +‎ galactic + -on, alternative form of -ion.

Noun

perigalacticon (plural perigalacticons)

1. (astronomy) The point in the orbit of a star at which it is closest to the centre of its local galaxy

Antonyms

• apogalacticon

Translations

closest point in the orbit of a star

• French: périgalacticon m