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double-blind - definition and synonyms


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adjective science double-blind pronunciation in British English
  1. a double-blind test involves two groups of people, only one of which is really being tested. None of the people in the two groups and none of the scientists performing the test knows which people belong to each group.


to fall over forwards so that your face hits the ground or another surface

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the activity of exploring abandoned buildings and other manmade structures

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