Definify.com
Webster 1913 Edition
Apastron
‖
Ap-as′tron
,Noun.
[Gr. [GREEK] from + [GREEK] star.]
(Astron.)
That point in the orbit of a double star where the smaller star is farthest from its primary.
Definition 2024
Apastron
apastron
apastron
See also: Apastron
English
Noun
apastron (plural apastrons)
- (astronomy) The point of greatest separation between two stars, especially in a binary star situation.