apocenter

名词 n.
中文释义

英文释义

名词 n.
  1. The furthest point of an astronomical object in an elliptical orbit to its center of attraction (the principal focus of the ellipse)

词形变化

apocenters plural apocentre alternative

词汇关系

反义词
pericenter

词源

Etymology tree
Proto-Indo-European *h₂ep
Proto-Indo-European *-o
Proto-Indo-European *h₂epó
Proto-Hellenic *apó
Ancient Greek ᾰ̓πό (ăpó)
Ancient Greek ᾰ̓πο- (ăpo-)bor.
English apo-
Proto-Indo-European *ḱent-der.
Ancient Greek κέντρον (kéntron)der.
Latin centrumder.
Middle French centrebor.
Middle English center
English center
English apocenter
From apo- + center.
0 次浏览 数据来源: Wiktionary