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ABCDEFGHIJKLMNOPQRSTUVWXYZ
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role
role model
role-play
role-playing
role-playing game
Rolfing
roll
roll back
roll cage
roll call
roll down
roll film
roll forward
roll in
roll neck
roll of honour
roll off
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ROI
ROI


abbr 
Definition:
 
1.  (plural ROIs) geography region of interest
2. finance return on investment
Encarta® World English Dictionary [World English Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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