Meanings
nounZener card (plural Zener cards)
plural Zener cards
- 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.
Origin
Named after psychologist Karl Zener.
Full word history & related roots →Cite this entry
APA
Zener card. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Zener%20card
MLA
“Zener card.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Zener%20card. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “Zener card,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Zener%20card.
Source: Zener card on Wiktionary, CC BY-SA 4.0.