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ABCDEFGHIJKLMNOPQRSTUVWXYZ
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unkindly
unkink
unknit
unknowable
unknowing
unknown
unknown quantity
Unknown Soldier
unlabeled
unlabored
unlaboured
unlace
unlade
unlash
unlawful
unlawful assembly
unlawful combatant
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UNIX
UNIX [ yniks ] or Unix [ yniks ]


trademark 
Definition:
 
a trademark for a widely used computer operating system, developed in 1969 at AT&T Bell Laboratories, that can support multitasking in a multiuser environment
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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