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antapex

noun
ant·​apex
plural antapexes or antapices

Definition of antapex 

: the point of the celestial sphere from which the solar system is moving — compare solar apex

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First Known Use of antapex

1890, in the meaning defined above

History and Etymology for antapex

anti- entry 1 + apex

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Time Traveler for antapex

The first known use of antapex was in 1890

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