WordReference Random House Unabridged Dictionary of American English © 2020
ap•o•lune (ap′ə lo̅o̅n′),USA pronunciation n. [Aerospace.]
- Aerospace, Astronomythe point in a lunar orbit that is farthest from the moon. Cf. perilune.
- Latin lūna moon, on the model of apogee, etc.
- apo- + -lune 1965–70
'apolune' also found in these entries: