pericenter en · NOUN
Etymology
Etymology tree Proto-Indo-European *per-der. Ancient Greek περῐ́ (perĭ́)der. English peri- Proto-Indo-European *ḱen-? Proto-Indo-European *-tḗr Proto-Indo-European *-trom Proto-Indo-European *ḱéntrom Proto-Hellenic *kéntron Ancient Greek κέντρον (kéntron)bor. Latin centrumder. Middle French centrebor. Middle English center English center English pericenter From peri- + center.
Meanings
- The point of closest approach of an astronomical object in an elliptical orbit to its center of attraction.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| pericenters | Number=Plur | lexicographic | |
| pericentre | alternative | lexicographic |