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rocket-propelled grenade
rocket science
rocket scientist
rocket ship
rocket sled
rocketeer
rocketry
rocketsonde
rockfall
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rockfall
rock·fall [ rók fàwl ] (plural rock·falls)


noun 
Definition:
 
1. fallen rocks: a collection or mass of fallen rocks
2. falling rocks: an avalanche of falling rocks
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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