Free TranslationFree Translation
Synonyms, antonyms, pronunciation

  Home
English Dictionary      examples: 'day', 'get rid of', 'New York Bay'




Apsis   Listen
noun
Apsis  n.  (pl. apsides)  (See Apse)
1.
(Astron.) One of the two points of an orbit, as of a planet or satellite, which are at the greatest and least distance from the central body, corresponding to the aphelion and perihelion of a planet, or to the apogee and perigee of the moon. The more distant is called the higher apsis; the other, the lower apsis; and the line joining them, the line of apsides.
2.
(Math.) In a curve referred to polar coördinates, any point for which the radius vector is a maximum or minimum.
3.
(Arch.) Same as Apse.






Collaborative International Dictionary of English 0.48








Advanced search
     Find words:
Starting with
Ending with
Containing
Matching a pattern  

Synonyms
Antonyms
Quotes
Words linked to  

only single words



Share |





Words linked to "Apsis" :   recess, niche, church building, church, tribune



Copyright © 2024 e-Free Translation.com