Apastron Definition
ə-păstrən
noun
The point at which an object is farthest away from the center of mass of the star it is orbiting.
American Heritage
Other Word Forms of Apastron
Noun
Singular:
apastron
Plural:
apastronsOrigin of Apastron
-
ap(o)– Greek astron star (probably on the model of aphelion) ster-3 in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
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