perigean
adjEtymology From perigee + -an?
1
Astronomy, Natural sciences Pertaining to the perigee.
- The perigean tides are the spring tides that occur soon after the Moon passes its perigee.
- perigean high water
1 more example
- perigean low water
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.