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inv.
invade
invaginate
invagination
invalid (1)
invalid (2)
invalidate
invalidism
invalidity
invaluable
invariable
invariably
invariant
invasion
invasionary technology
invasive
invective
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invalidity
in·va·lid·i·ty [ ìnvə líddətee ]


noun 
Definition:
 
1. unsoundness: a lack of soundness or accuracy that results from an error in reasoning
2. law lack of legality: the condition of not being legally binding or enforceable
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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