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optimal
optimal contract
optimal portfolio
optimal redemption provision
optimise
optimism
optimist
optimistic
optimize
optimum
optimum population
option
option account
option buyer
option contract
option elasticity
option income fund
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opto-
opto-


prefix 
Definition:
 
1. eye, vision
optometry
2. optical
optoelectronics
[< Greek optos "seen, visible"]
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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