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Definitions periapsis noun (pl=periapsides) (astronomy) The point of a body's elliptical orbit about the system's centre of mass where the distance between the body and the centre of mass is at its minimum. In the case of other celestial bodies, specialised terms are used. See w:en:Apsis, Apsis (Wikipedia) for details. Translations:  French: périapse, périapside Supplemental Details:Sponsor an extended definition for periapsis for as little as $10 per month. Click here to contact us.        Find:   Words Starting With:   Words Ending With:   Words Containing:   Words That Match:    Translate Into:    Dutch   French   German    Italian   Spanish     Show 51015202550100250500 results per page. Browse the Dictionary A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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