Word Games Pro Dictionary
psi
noun
The 23rd letter of the Greek alphabet
Quick reference
Word Facts
How it sounds
Pronunciation
psaɪ
Listen
Audio Pronunciation
Meaning
Definitions
noun
The 23rd letter of the Greek alphabet
noun
A unit of pressure
Check yourself
Practise This Word
Three quick questions on this word. Nothing is recorded — practise it as often as you like.