How do you spell Apsis
Available Definitions:
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) n. - In a curve referred to polar coordinates, any point for which the radius vector is a maximum or minimum.
3) n. - Same as Apse.
Take Spelling Test
Message