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unreasoning
unreckonable
unreconstructed
unreel
unreeve
unrefined
unreflecting
unreflective
unregenerate
unrelenting
unreliable
unremarkable
unremarked
unremittable gain
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unsaturation
un·sat·u·ra·tion [ ùn sachə ráysh'n ]


noun 
Definition:
 
presence of bonds in organic molecule: the presence of one or more double or triple bonds in an organic molecule
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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