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Definition of Zener card
1. Noun. One of a set of twenty-five cards, each featuring one of five symbols (circle, plus sign, square, star, wavy lines), used by researchers to test claims of ESP or remote viewing. ¹
¹ Source: wiktionary.com
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1. Noun. One of a set of twenty-five cards, each featuring one of five symbols (circle, plus sign, square, star, wavy lines), used by researchers to test claims of ESP or remote viewing. ¹
¹ Source: wiktionary.com