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reducer
reducing agent
reductant
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Also available:
World English Dictionary
Dictionnaire Français
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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