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ABCDEFGHIJKLMNOPQRSTUVWXYZ
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username
USES
USFS
USGS
usher
usher in
USIA
Usk
USM
USMA
USMC
USN
USNA
usnea
USNR
USO
USP (1)
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useful life
use·ful life (plural use·ful lives)


noun 
Definition:
 
economics 
Same as  economic life
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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