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rockabilly
rockabye
rockaway
rockbound
rockcrawler
rocker
rocker arm
rocker cam
rocker panel
rocker switch
rockered wheels
rockery
rocket (1)
rocket (2)
rocket air
rocket engine
rocket-launched grenade
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rocketry
rock·et·ry [ rókətree ]


noun 
Definition:
 
study of rocket design and use: the science and technology of the design, construction, operation, flying, and maintenance of rockets
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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