Definition of apogee
1
: the point in the orbit of an object (such as a satellite) orbiting the earth that is at the greatest distance from the center of the earth
also
: the point farthest from a planet or a satellite (such as the moon) reached by an object orbiting it — compare perigee
2
: the farthest or highest point : culmination
Aegean civilization reached its apogee in Crete.
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Merriam-Webster unabridged
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Time Traveler for apogee
The first known use of apogee was in 1640
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