pericenter

名词 n.
中文释义

英文释义

名词 n.
  1. The point of closest approach of an astronomical object in an elliptical orbit to its center of attraction.

词形变化

pericenters plural pericentre alternative

词源

Etymology tree
Proto-Indo-European *per-der.
Ancient Greek περῐ́ (perĭ́)der.
English peri-
Proto-Indo-European *ḱent-der.
Ancient Greek κέντρον (kéntron)der.
Latin centrumder.
Middle French centrebor.
Middle English center
English center
English pericenter
From peri- + center.
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