/ Thesaurus / C Synonyms of celestial mechanics Find synonyms for: Noun1. celestial mechanics, astronomy, uranologyusage: the branch of astronomy concerned with the application of Newton's laws of motion to the motions of heavenly bodiesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: devout Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language