psi

See also: Psi, PSI, psí, and pśi

English

Ancient Greek Alphabet
←
chi
 →
omega
Ψ ψ
Ancient Greek: ψεῖ
Wikipedia article on psi

Etymology 1

From Ancient Greek ψῖ (psî), the name for the twenty-third letter of the alphabet (Ψ, ψ).

Pronunciation

Greek letter

  • enPR: psī, sī, IPA(key): /psaɪ/, /saɪ/
  • Audio (US) (Greek letter)(file)
  • Homophones: xi, sigh, scye, sai, Si (all for the latter pronunciation only)
  • Rhymes: -aɪ

Psychic energy

  • enPR: sī, IPA(key): /saɪ/
  • Audio (US) (psychic energy)(file)
  • Homophones: xi, sigh, scye, sai, Si
  • Rhymes: -aɪ

Noun

psi (countable and uncountable, plural psis)

  1. (countable) The twenty-third letter of Classical and Modern Greek and the twenty-fifth letter of Old and Ancient Greek.
  2. (uncountable, parapsychology) A form of psychic energy.
    • 1993, Will Self, My Idea of Fun:
      ‘Come, lad,’ he said. ‘We will take tea together and speak of the noumenon, the psi and other more heterogenous phenomena.’
Translations

See also

  • (Greek letter): Previous: chi, Next: omega

Etymology 2

Initialism

Alternative forms

Initialism

psi

  1. Pounds per square inch (an imperial unit of pressure)

Anagrams

Catalan

Noun

psi f (plural psis)

  1. Psi; the Greek letter Ψ (lowercase ψ).

French

Pronunciation

  • IPA(key): /psi/
  • Homophones: psy, psys

Noun

psi m (plural psi)

  1. psi (Greek letter)

Further reading

Anagrams

Italian

Pronunciation

  • Rhymes: -i

Noun

psi m, f (invariable)

  1. psi (Greek letter)

Polish

Etymology 1

From pies

Pronunciation

  • IPA(key): /pɕi/

Adjective

psi m (not comparable)

  1. canine, dog-
Declension

Etymology 2

From Ancient Greek ψῖ (psî), the name for the twenty-third letter of the alphabet (Ψ, ψ).

Pronunciation

  • IPA(key): [ps̪ʲi]

Noun

psi n (indeclinable)

  1. psi; the Greek letter Ψ, ψ

Portuguese

Noun

psi m (plural psis)

  1. (countable) psi (name of the Greek letter Ψ)

Spanish

Pronunciation

  • Rhymes: -i

Noun

psi f (plural psíes)

  1. psi; the Greek letter Ψ, ψ
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