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ostomate
ostomy
-ostosis
ostracize
ostracod
ostracoderm
Ostrava
ostrich
Ostrogoth
Ostyak
Oswego
Oswego tea
Oswestry
Oswiecim
OT
ot-
Otago
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ostia
os·ti·a
Definition:
 
anatomy zoology 
Plural of  ostium
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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