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astrodynamics

[as-troh-dahy-nam-iks]
noun (used with a singular verb)
  1. 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. 2018
British Dictionary definitions for astrodynamics

astrodynamics

noun
  1. (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
astrodynamics in Science

astrodynamics

[ăs′trō-dī-năm′ĭks]
  1. The dynamics of natural and artificial bodies in outer space.
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