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redoubtable
redound
redout
redowa
redox
redpoll
redraft
redress
redroot
redshank
redshift
redshirt
redskin
redstart
redtop
reduce
reducer
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reduction gear
re·duc·tion gear (plural re·duc·tion gears)


noun 
Definition:
 
gear reducing output speed: a set of gears in an engine used to reduce output speed relative to that of the engine while providing greater turning power, e.g. when climbing a hill
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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