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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
optic vesicle
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opt-out

opt-out (plural opt-outs)


noun 
Definition:
 
U.K. decision to become self-governing: a decision taken by the administration of a hospital or school to remove itself from local authority control and administer its own affairs ( often used before a noun )

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