| 单词 | psi |
| 释义 | psi psi1 /suy, psuy/, n. , pl. psis. 1. the 23rd letter of the Greek alphabet. 2. the group of consonant sounds represented by this letter. [1350-1400; ME < Gk pseî] psi2 /suy/, n. any purportedly psychic phenomenon, as psychokinesis, telepathy, clairvoyance, or the like. Cf. pseudoscience, parapsychology. [1940-45; shortening of PSYCHIC or parapsychic] pounds per square inch. Also, p.s.i. |
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