Advertisement

Advertisement

apsidal motion

noun

, Astronomy.
  1. the rotation of the major axis of an eccentric orbit in the plane of the orbit.


Discover More

Word History and Origins

Origin of apsidal motion1

First recorded in 1955–60

Advertisement

Word of the Day

tortuous

[tawr-choo-uhs ]

Meaning and examples

Start each day with the Word of the Day in your inbox!

By clicking "Sign Up", you are accepting Dictionary.com Terms & Conditions and Privacy Policies.

Advertisement

Advertisement

Advertisement


apseapsidiole