apoapsis

名词 n.
中文释义

英文释义

名词 n.
  1. The point of a body's elliptical orbit about the system's centre of mass where the distance between the body and the centre of mass is at its maximum.

词形变化

apoapsides plural apoapsises plural apoapses plural apapsis alternative

词汇关系

反义词
periapsis

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-
English apsis
English apoapsis
From apo- + apsis.
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