apside

listen to the pronunciation of apside
Französisch - Englisch
{n} apsis, points of an orbit that are furthest and nearest the center (Astronomy); crescent-shaped channel
Italienisch - Englisch
Englisch - Englisch
An apsis

The phenomena which Sirius presented about 1841, that being according to Peters (confirmed by the results above) the time of the passage of the lower apside, are sufficiently remarkable;.