pericynthion

n. [天]近月点

词形变化

pericynthions 复数 pericynthions

释义与例句

n.
  1. 1.

    The point in an elliptical orbit around the moon that passes closest to the moon.

词源

From peri- + Cynthia (“Artemis, the Moon”) + -ion, from Ancient Greek περι- (peri-) + Κυνθία (Kunthía, “Artemis”). Compare perihelion, periastron.

来源：wiktionary