noun plural but singular or plural in construction

¦as(ˌ)trō +
: celestial mechanics applied to space vehicles
" +
¦as(ˌ)trōdīˈnaməsə̇st sometimes -də̇-
plural -s

Word History


astr- + dynamics

First Known Use

1955, in the meaning defined above

Time Traveler
The first known use of astrodynamics was in 1955

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Dictionary Entries Near astrodynamics

Cite this Entry

“Astrodynamics.” Dictionary, Merriam-Webster, Accessed 17 Jun. 2024.

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