Go to MSN Homeencarta®
Dictionary
Find
in
Dictionary
Thesaurus
Translations
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Click to move up the list of words
option income fund
option premium
option price
option seller
option series
option writer
optional
options on physicals
opto-
optoelectronics
optometrist
optometry
optophone
opulent
opuntia
opus
opus anglicanum
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

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.
Advertisement
© 2009 Microsoft