Associations to the word «Periapsis»

Wiktionary

PERIAPSIS, noun. (astronomy) The point of a body's elliptical orbit about the system's centre of mass where the distance between the body and the centre of mass is at its minimum.

Dictionary definition

PERIAPSIS, noun. (astronomy) the point in an orbit closest to the body being orbited.

Wise words

Many a true word is spoken in jest.
Geoffrey Chaucer