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option series
option writer
optional
options on physicals
opto-
optoelectronics
optometrist
optometry
optophone
opulent
opuntia
opus
opus anglicanum
opuscule
-or (1)
-or (2)
OR (1)
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optophone
op·to·phone [ óptə fn ] (plural op·to·phones)


noun 
Definition:
 
reading device for visually impaired people: a device used especially by sightless or visually impaired people that can convert written text into sounds
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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