noun🔗ShareApsis"The Earth's orbit is not a perfect circle, so the distance to the sun changes, reaching its apsides – the closest (perihelion) and farthest (aphelion) points – at different times of the year. "astronomyphysicsspaceChat with AIVocabulary GamePractice Reading
noun🔗ShareA recess or projection, with a dome or vault, at the east end of a church; an apse."The architect pointed out the apsides at the east end of the cathedral, noting their beautiful vaulted ceilings. "architecturereligionbuildingChat with AIVocabulary GamePractice Reading
noun🔗ShareEither 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"The satellite's apsides shifted slightly each orbit, meaning its closest and furthest points from Earth were gradually changing. "astronomyspacephysicssciencepositionChat with AIVocabulary GamePractice Reading
