EdX is a massive open online course (MOOC) provider and online learning platform. It hosts online university-level courses in a wide range of disciplines to a worldwide audience at no charge. It also conducts research into learning based on how people use its platform. EdX differs from other MOOC platforms, such Coursera and Udacity, in that it is...
Found on http://en.wikipedia.org/wiki/EdX


acronym: energy-dispersive X-ray (analysis)
Found on http://cdiac.ornl.gov/pns/acronyms.html#E
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