Word Study
psi
WORDNET DICTIONARY
Noun psi has 2 senses
- psi(n = noun.quantity) pounds per square inch - a unit of pressure; Array is a kind of pressure unit
- psi(n = noun.communication) Array - the 23rd letter of the Greek alphabet; Array is a member of greek alphabet
is a kind of alphabetic character, letter, letter of the alphabet
OXFORD DICTIONARY
psi, n.
1 the twenty-third letter of the Greek alphabet.
2 supposed parapsychological faculties, phenomena, etc. regarded collectively.
1 the twenty-third letter of the Greek alphabet.
2 supposed parapsychological faculties, phenomena, etc. regarded collectively.
Etymology
Gk
For further exploring for "psi" in Webster Dictionary Online
