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ABCDEFGHIJKLMNOPQRSTUVWXYZ
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option price
option seller
option series
option writer
optional
options on physicals
opto-
optoelectronics
optometrist
optometry
optophone
opulent
opuntia
opus
opus anglicanum
opuscule
-or (1)
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ora
o·ra
Definition:
 
biology 
Plural of  os1
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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