Definition of "periselene" []

• Periapsis in orbit around the moon (noun)

WordNet. Princeton University. 2010.

• "Projectile's velocity would have reached its minimum; at the _periselene_, its maximum."
• "Analogous expressions denoting the relations of the Projectile towards the Moon, would be _periselene_ and _aposelene_."
• "The nearest point of this orbit (periselene) lies at a distance of about 500 km from the Moon's surface while the farthest point (aposelene) is at about 7,500 km."