The Clue
Sorority letter (3 letter answer)
The Answer
PSI
Tags
Notes
The answer PSI is seen frequently, appearing about once every 70 puzzles.
Related Clues
___ particle
23rd in a series
Before omega
Campus letter
Chi follower
Chi's follower
Fraternity letter
Greek letter
Kind of particle
Kind of phenomena
Letter from Greece
"___ Love You"
Omega preceder
Omega's predecessor
Phi, chi, ___
Poseidon's trident?
Pressure meas.
Superhuman ability
Telekinesis, e.g.
Tire abbr.
Tire letters
Between chi and omega
Last Greek consonant
Letter after chi
Letter before omega
Penultimate Greek letter
Phenomenon such as ESP
Pitchfork-shaped letter
Plato's penultimate letter
Tire pressure meas.
Tire spec abbr.
"___ Love You," 1934 song
"___ Love You," Mercer air
"___ Love You," Mercer hit
Next to last Greek letter
Next-to-last Greek letter
Wave function symbol in quantum mechanics
Definition
PSI as a noun:
1. (pounds per square inch, psi) = a unit of pressure
2. the 23rd letter of the Greek alphabet