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

There is no sickness worse for me than words that to be kind must lie.
Aeschylus