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addaword.gifdefinition of MOOC

massive open online course: a high-level course of study offered via the Internet in such a way that a large number of people can follow it
With thousands of students in any one class, the varied quality of student work is a barrier to widespread acceptance of MOOCs.
Submitted by: Harris Park from United Kingdom on 08/01/2013 12:14:00
Definition of MOOC 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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bottom line

the amount of money that a business makes or loses