Psi vs Psu - What's the difference?
psi | psu |
(countable) The twenty-third letter of Classical]] and Modern Greek and the twenty-fifth letter of [[Old Greek, Old and Ancient Greek.
(uncountable, parapsychology) A form of psychic energy.
* 1993 , Will Self, My Idea of Fun :
Pounds per square inch (an imperial unit of pressure)
As a noun psi
is the twenty-third letter of Classical and Modern Greek and the twenty-fifth letter of Old and Ancient Greek.As an initialism psi
is pounds per square inch an imperial unit of pressure.As an acronym PSU is
power supply unit.psi
English
Etymology 1
From (etyl) , the name for the twenty-third letter of the alphabet (?, ?).Noun
- ‘Come, lad,’ he said. ‘We will take tea together and speak of the noumenon, the psi and other more heterogenous phenomena.’
