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Also available:
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retropack
ret·ro·pack
[
réttrō pàk
]
(
plural
ret·ro·packs
)
noun
Definition:
rocket cluster:
an array of retrorockets on a spacecraft, used for slowing down or for changing direction
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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