Definition of Periapsis

1. Noun. (astronomy) the point in an orbit closest to the body being orbited.

Exact synonyms: Point Of Periapsis
Category relationships: Astronomy, Uranology
Generic synonyms: Celestial Point
Group relationships: Celestial Orbit, Orbit
Specialized synonyms: Perigee, Perihelion, Perijove, Perilune, Periselene
Antonyms: Apoapsis, Point Of Apoapsis



Definition of Periapsis

1. Noun. (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. ¹

¹ Source: wiktionary.com

Definition of Periapsis

1. [n -APSES]

Periapsis Pictures

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Lexicographical Neighbors of Periapsis

periapical cemental dysplasia
periapical curettage
periapical cyst
periapical diseases
periapical granuloma
periapical osteofibrosis
periapical periodontitis
periapical radiograph
periapical tissue
periappendiceal abscess
periappendicitis
periappendicular
periapse
periapses
periapsides
periapsis (current term)
periapt
periapts
periaqueductal
periaqueductal gray
periarbuscular
periareolar
periarterial
periarterial pad
periarterial plexus
periarterial plexus of maxillary artery
periarterial plexus of vertebral artery
periarterial sympathectomy
periarteritis
periarteritis nodosa

Literary usage of Periapsis

Below you will find example usage of this term as found in modern and/or classical literature:

1. Bulletin of the Philosophical Society of Washington by Philosophical Society of Washington (1881)
"... at the two apses without limit, the "periapsis" continually approaching the attractive center, as long as the minor axis has a value, however small. ..."

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