psi

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

Greek letter

Arabic: پْسِي‎ m (psī), بْسِي‎ m (bsī) Catalan: psi (ca) f Chinese: Mandarin: 普西 (zh) (pǔxī) Czech: psí (cs) n Dutch: psi (nl) m or f Esperanto: psio (eo) Finnish: psii (fi) French: psi (fr) m German: Psi (de) n Greek: ψι (el) n (psi) Ancient: ψεῖ n (pseî) Hebrew: פְּסִי‎ f (psi) Hungarian: pszi Interlingua: psi Italian: psi (it) Japanese: プシー (pushī), プスィ (pusi), プサイ (pusai) Korean: 프시 (ko) (peusi) Malay: psi Persian: سای‎ (fa) Polish: psi (pl) n Portuguese: psi (pt) m Russian: пси (ru) n (psi) Spanish: psi (es) f

psychic energy

See also

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

Etymology 2

Initialism of pounds per square inch.

Alternative forms

• P.S.I.
• PSI

Symbol

psi

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

Related terms

psia

Anagrams

• IPS, IPs, ISP, Isp, PIs, SIP, SPI, iPS, isp, pis, sip

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Catalan

Pronunciation

• (Balearic, Central, Valencian) IPA^(key): /ˈpsi/

Noun

psi f (plural psis)

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

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Czech

Pronunciation

• IPA^(key): [ˈpsɪ]

Noun

psi

1. nominative/vocative plural of pes

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French

Pronunciation

• IPA^(key): /psi/

• Audio

  (file)

• Homophones: psy, psys

Noun

psi m (plural psi)

1. psi (Greek letter)

Further reading

• “psi”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.

Anagrams

• pis, spi

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Italian

Pronunciation

• IPA^(key): /ˈpsi/^*
• Rhymes: -i
• Hyphenation: psì

Noun

psi m or f (invariable)

1. psi (Greek letter)

Anagrams

• spi

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Polish

Etymology 1

Inherited from Proto-Slavic *pьsьjь. By surface analysis, pies +‎ -i.

Pronunciation

• IPA^(key): /pɕi/

• Audio

  (file)

• Rhymes: -i
• Syllabification: psi

Adjective

psi (not comparable)

1. (relational) canine, dog

   Synonyms: pieski, (archaic) sobaczy

Declension

Declension of psi

case	singular				plural
	masculine personal/animate	masculine inanimate	neuter	feminine	virile	nonvirile
nominative, vocative	psi		psie	psia	psi	psie
genitive	psiego			psiej	psich
dative	psiemu				psim
accusative	psiego	psi	psie	psią	psich	psie
instrumental	psim				psimi
locative				psiej	psich

Derived terms

noun

• psia pogoda

 

Related terms

verb

• psocić impf

 

nouns

• psota
• psotnica
• psotnik

 

Etymology 2

Borrowed from Ancient Greek ψῖ (psî).

Pronunciation

• IPA^(key): /psi/
• Rhymes: -i
• Syllabification: psi

Noun

psi n (indeclinable)

1. psi (Greek letter Ψ, ψ)

Further reading

• psi in Wielki słownik języka polskiego, Instytut Języka Polskiego PAN
• psi in Polish dictionaries at PWN

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Portuguese

Pronunciation

• Rhymes: -i

Noun

psi m (plural psis)

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

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Romanian

Etymology

From Greek ψι (psi).

Noun

psi m (plural psi)

1. psi

Declension

Declension of psi

	singular		plural
	indefinite articulation	definite articulation	indefinite articulation	definite articulation
nominative/accusative	(un) psi	psiul	(niște) psi	psii
genitive/dative	(unui) psi	psiului	(unor) psi	psilor
vocative	psiule		psilor

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Slovak

Pronunciation

• IPA^(key): [psi]

Noun

psi m anim

1. nominative plural of pes

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Spanish

Pronunciation

• IPA^(key): /ˈsi/ [ˈsi]
• Rhymes: -i
• Syllabification: psi

Noun

psi f (plural psíes)

1. psi; the Greek letter Ψ, ψ

Further reading

• “psi”, in Diccionario de la lengua española, Vigésima tercera edición, Real Academia Española, 2014