psi

Meaning

Noun

1. (countable) The twenty-third letter of Classical and Modern Greek and the twenty-fifth letter of Old and Ancient Greek.
2. (uncountable) A form of psychic energy.

Symbol

Pound per square inch (an imperial unit of pressure)

Synonyms

pounds per square inch

ESP

extra-sensory perception

psychic ability

ψ

Translations

psi

psi

psi

ψι

psi

psi

psi

Psi

lb/po²

پْسِي

lb/in²

بْسِي

رطل/بوصة مربعة

Pronounced as (IPA)

/psaɪ/

Etymology

From Middle English psi, from Latin psī, from Ancient Greek ψεῖ (pseî), the name for the twenty-third letter of the alphabet (Ψ, ψ).