Pericenter

Acceptable For Game Play - UK word list

This word is acceptable for play in the UK dictionary that is being used in the following games:

Wiktionary, Creative Commons Attribution/Share-Alike License
  • n. The periapsis, the point of closest approach of an astronomical object in an elliptical orbit to its center of attraction.
    • The Century Dictionary and Cyclopedia
  • n. That point in the path of a body having orbital motion in which it is at its least distance from the center of gravity of the system. In the case of the solar system the pericenter of an orbit is called the perihelion. Compare apocenter.
    • Word Usage
    "A star called S2 (star) follows an elliptical orbit with a period of 15.2 years and a pericenter (closest) distance of 17 light hours from the central object."
    Antonym
    apocenter   
    Synonym
    Words with the same meaning
    perigee    periapsis   
     
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