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ALL meanings of psis

psi
P p
  • noun plural psis the 23rd letter of the Greek alphabet (Ψ, ψ). 1
  • noun plural psis the group of consonant sounds represented by this letter. 1
  • noun psis any purportedly psychic phenomenon, as psychokinesis, telepathy, clairvoyance, or the like. 1
  • abbreviation PSIS Public Service Investment Society, New Zealand's largest credit union 0
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