Go to MSN Homeencarta®
Dictionary
Find
in
Dictionary
Thesaurus
Translations
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Click to move up the list of words
use
use-by date
use immunity
use up
useable
used (1)
used (2)
useful
useful life
useless
Usenet
user
user-friendly
user group
user interface
userID
username
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

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.
Advertisement
© 2009 Microsoft