Definition of Periastron

1. n. That point, in the real or apparent orbit of one star revolving around another, at which the former is nearest to the latter.



Definition of Periastron

1. Noun. (astronomy) That point of the orbit of a celestial body which is closest to the star around which the body is orbiting. ¹

¹ Source: wiktionary.com

Medical Definition of Periastron

1. That point, in the real or apparent orbit of one star revolving around another, at which the former is nearest to the latter. Origin: NL, fr. Gr. About + a star. Source: Websters Dictionary (01 Mar 1998)

Periastron Pictures

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Lexicographical Neighbors of Periastron

periarbuscular
periareolar
periarterial
periarterial pad
periarterial plexus
periarterial plexus of maxillary artery
periarterial plexus of vertebral artery
periarterial sympathectomy
periarteritis
periarteritis nodosa
periarthric
periarthritis
periarticular
periarticular abscess
periastral
periastron (current term)
periastrons
periatrial
periauger
periaugers
periauricular
periaxial
periaxillary
periaxonal
peribacteroid membrane
peribiliary
periblast
periblasts
periblem
periblems

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