Psi

Meaning

Noun

●

In Greek letter names:

The

twenty-third

letter

of Classical and Modern Greek and the

twenty-fifth

letter

of Old and Ancient Greek.

●

In Parapsychology, Science fiction & Fictional abilities:

A form of

psychic

energy.

●

Initialism of pre-sentence investigation.

●

Initialism of

protein

structure initiative.

●

Initialism of

pollutant

safety/standard

index

(measurement of the

air pollutant

such as haze)

Symbol

●

Pounds per

square inch

(an

imperial

unit

of pressure)

Name

●

Initialism of w:Policy Studies Institute, a British think tank.

Sourced from

Wiktionary

Origin

psi

English

ψῖ

Ancient Greek (to 1453)

Sourced from

Etym

Rhymes

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Psi