Definition for psi (2 of 3)
noun, plural psis.
Origin of psi1
Definition for psi (3 of 3)
Origin of psi2
Examples from the Web for psi
Will PSI (private sector involvement) become common in future bailouts?
In 2009, Judd lent her voice to a PSI World Malaria Day PSA.Ashley Judd’s Fiery Speeches on Favorite Political Causes (VIDEO)|Caitlin Dickson|December 6, 2012|DAILY BEAST
The fraternities involved in the alleged drug sales were Alpha Epsilon Pi, Pi Kappa Alpha and Psi Upsilon.
PSI board member Ashley Judd is a celebrated actress, activist, and humanitarian.
Take Action: Ashley Judd works with the nonprofit PSI, investing in the power of women to lift communities out of poverty.
"There isn't any rule about who can have psi talent," I argued.Sense from Thought Divide|Mark Irvin Clifton
I know you aren't a Psi, and thus aren't subject to our discipline, but I think it's time we exchanged some information.The Right Time|Walter Bupp
And in this area was a wash of psi radiation such as he had never experienced before.Deathworld|Harry Harrison
With them swinging at his side, he stole out of the Psi Delta house, crossed the campus, stopped.Gladiator|Philip Wylie
I assume that you have found the experimental conditions which let psi powers operate without hindrance.The Leader|William Fitzgerald Jenkins (AKA Murray Leinster)
British Dictionary definitions for psi (1 of 2)
British Dictionary definitions for psi (2 of 2)
- paranormal or psychic phenomena collectively
- (as modifier)psi powers
Word Origin and History for psi
23rd letter of the Greek alphabet. Use for "psychic force, paranormal phenomenon" dates from 1942 (probably from psychic (adj.)).