"of or pertaining to psi in the 'paranormal' sense," 1952, from psi + ending from electronic, etc. First attested in science fiction. Related: Psionics.
Entries linking to psionic
psi n.
23rd letter of the Greek alphabet. Its use for "psychic force, paranormal phenomenon" dates from 1942 (probably from psychic (adj.)).
electronic adj.
1901, "pertaining to electrons;" see electron + -ic; 1930 as "pertaining to electronics." Related: Electronically.