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opportunistic
opportunity
opportunity cost
opportunity risk
opportunity sets
opportunity shop
opposable
oppose
opposed
opposed-cylinder engine
opposite
opposite field
opposite number
opposite prompt
opposite sex
opposition
opposition research
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opsonic
op·son·ic [ op sónnik ]


adjective 
Definition:
 
of opsonins: relating to or involving opsonins
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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