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addaword.gifdefinition of OP

original poster: used in online comments to refer to the person who posted the original question or comment
The OP needs to stand back from the situation and get some perspective.
Submitted from United Kingdom on 03/04/2014 17:32:00
Definition of OP from the Open Dictionary – a public resource hosted by Macmillan English Dictionary Online

dark pool

a method of financial trading in which share prices are hidden and not openly available to the public

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an extra sail sometimes fitted on the front of a boat used for racing