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Apsis - What does it mean?

apsis | |

apsis

English

(wikipedia apsis)

Noun

(apsides)
  • (architecture) A recess or projection, with a dome or vault, at the east end of a church; an apse.
  • (astronomy) Either of the points in the elliptical orbit of a planet or comet where it is closest or furthest from the sun; perihelion or aphelion; an apside
  • Derived terms

    * periapsis * apoapsis

    Not English

    has no English definition. It may be misspelled.