double-blind

[ duhb-uh l-blahynd ]
/ ˈdʌb əlˈblaɪnd /
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adjective

of or relating to an experiment or clinical trial in which neither the subjects nor the researchers know which subjects are receiving the active medication, treatment, etc., and which are not: a technique for eliminating subjective bias from the test results.

Origin of double-blind

First recorded in 1935–40

Can be confused

double bind double-blind
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for double-blind

British Dictionary definitions for double-blind

double-blind

adjective

of or relating to an experiment to discover reactions to certain commodities, drugs, etc, in which neither the experimenters nor the subjects know the particulars of the test items during the experimentsCompare single-blind

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012