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| ap·sis [ ápsiss ] (plural ap·si·des [ ápsi dz ]) |
noun |
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| Definition: |
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1. nearest or farthest point in orbit: either of the two points in an orbit that are nearest to and farthest from the center of gravitational attraction
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2. buildings
Same as apse (sense 1)
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| [Late 16th century. Via Latin< Greek (h)apsis "rim of a wheel, wheel, arch, vault"] |
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