periastron en · NOUN
Pronunciation
- /pɛɹɪˈæstɹən/
Etymology
From Ancient Greek περί (perí, “around”) + ἄστρον (ástron, “star”).
Meanings
- The point of an orbit in which a celestial body is at its closest to the star it is orbiting.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| periastra | Number=Plur | lexicographic | |
| periastrons | Number=Plur | lexicographic |
Antonyms
Relateds
Translations (3)
fi periastron (point of least separation between a celestial object and the star which it orbits) · pl peryastron (point of least separation between a celestial object and the star which it orbits) · bg периастрий (point of least separation between a celestial object and the star which it orbits)