astrodynamics

[ as-troh-dahy-nam-iks ]
/ ˌæs troʊ daɪˈnæm ɪks /

noun (used with a singular verb)

the science dealing with the paths of space vehicles.

Origin of astrodynamics

First recorded in 1950–55; astro- + dynamics
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for astrodynamics

astrodynamics

/ (ˌæstrəʊdaɪˈnæmɪks) /

noun

(functioning as singular) the study of the motion of natural and artificial bodies in space
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for astrodynamics

astrodynamics

[ ăs′trō-dī-nămĭks ]

The dynamics of natural and artificial bodies in outer space.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.