apocenter

apocenter

English

Alternative forms

Etymology

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.

    Noun

    apocenter (plural apocenters)

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

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