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opsonic index
opsonify
opsonin
opsonize
-opsy
opt
opt.
opt-in e-mail
opt out
opt-out
optative
optic
optic axis
optic chiasma
optic cup
optic disk
optic nerve
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opt out
opt out


intransitive verb 
Definition:
 
choose not to do something: to decide not to join in something or not to go along with something ( informal )

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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