Meaning of Apsis

English Translation from English to English dictionary online for the word Apsis

1. 1
   n.

   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. 2
   n.

   In a curve referred to polar coordinates, any point for which the radius vector is a maximum or minimum.

3. 3
   n.

   Same as Apse.

4. 4
   n.

   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.

5. 5
   n.

   In a curve referred to polar coordinates, any point for which the radius vector is a maximum or minimum.

6. 6
   n.

   Same as Apse.