psionics, n. Also psion, psionic, psychic, psi. 1. mental powers, such a telepathy, telekinesis, telepresence, etc.; usu. used in science fiction, superhero or fantasy games. See mentalist. [GJ1]
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psionics, n. Also psion, psionic, psychic, psi. 1. mental powers, such a telepathy, telekinesis, telepresence, etc.; usu. used in science fiction, superhero or fantasy games. See mentalist. [GJ1]