Answer: psi

AnswerCrossword Clue
PSIOmega's predecessor
PSIExtrasensory event
PSIOf paranormal stuff
PSIOmega preceder
PSITire meas.
PSINext-to-last letter
PSITire-pressure abbr.
PSILetter resembling a trident
PSI114-Across's power
PSIAir pressure unit
PSINational fraternity Phi Kappa ...
PSITire-pressure meas.
PSIPenultimate letter in Paros
PSIFinal Greek consonant
PSIParapsychology term
PSIUnworldly power
PSIFrat-row fork
PSIPenultimate Greek letter
PSIAbbr. on a tire
PSIPitchfork-shaped letter
psiany purportedly psychic phenomenon, as psychokinesis, telepathy, clairvoyance, or the like
PSITrident-shaped letter
PSI23rd Greek letter
PSIBike-tire letters
PSIGreek letter
PSIOmega predecessor
PSIPressure meas.
PSITire letters
PSIChi follower
PSIPressure amount
PSIAir indicator
PSIGreek character
PSITrident-shaped letter, in Rome
PSIAir pump fig.
PSIPenultimate letter of the Greek alphabet
PSILetter before omega
PSILetter after chi
PSIMeasure of inflation?
PSIOmega proceder
PSITire-air meas.