astrodynamics

[as-troh-dahy-nam-iks]

as·tro·dy·nam·ics

[as-troh-dahy-nam-iks]
noun (used with a singular verb)
the science dealing with the paths of space vehicles.

Origin:
1950–55; astro- + dynamics
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source Link To astrodynamics

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Astrodynamics has a plethora of syllables.
So is dichlorodiphenyltrichloroethane. Does it mean:
a white, crystalline, water-insoluble solid, C14H9Cl5, usually derived from chloral by reaction with chlorobenzene in the presence of fuming sulfuric acid: used as an insecticide and as a scabicide and pediculicide: agricultural use prohibited in the U.S.
(used as a nonsense word by children to express approval or to represent the longest word in English.)
Collins
World English Dictionary
astrodynamics (ˌæstrəʊdaɪˈnæmɪks)
 
n
(functioning as singular) the study of the motion of natural and artificial bodies in space

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Science Dictionary
astrodynamics   (ās'trō-dī-nām'ĭks)  Pronunciation Key 
The dynamics of natural and artificial bodies in outer space.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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