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double-blind - definition and synonyms


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adjective science double-blind pronunciation in American 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.


used to describe something which is done more carefully and over a longer period of time …

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the practice of giving birth in the presence of several friends and relatives

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