pi

From Ancient Greek πεῖ (peî). Its mathematical use apparently stems from its use as the first letter in περιφέρεια (periféreia, “periphery; circumference”) and was first cited in 1706 in the Synopsis Palmariorum Matheseos by William Jones.

• IPA^(key): /paɪ/

• Audio (US)

  (file)

• Rhymes: -aɪ
• Homophone: pie

pi (plural pis)

1. The 16th letter of the Classical and Modern Greek alphabets and the seventeenth in Old Greek.
2. (mathematics) An irrational and transcendental constant representing the ratio of the circumference of a Euclidean circle to its diameter; approximately 3.14159265358979323846264338327950; usually written π.
3. (letterpress typography) Metal type that has been spilled, mixed together, or disordered. Also called pie.

• (irrational constant): Archimedes' constant, Ludolphian number, Ludolph's constant, Ludolph's number

pi (third-person singular simple present pies, present participle piing, simple past and past participle pied)

1. (letterpress typography) To spill or mix printing type. Also, "to pie".

pi (not comparable)

1. (typography) Not part of the usual font character set; especially, non-Roman type or symbols as opposed to standard alphanumeric Roman type.

   In computing, pi characters may be entered with special key combinations.

pi

1. (typography) pica (conventionally, 12 points = 1 pica, 6 picas ≈ 1 inch)
2. piaster
3. pious
   • 1927, Magdalen King-Hall, I Think I Remember: Being the Random Recollections of Sir Wickham Woolicomb, an Ordinary English Snob and Gentleman

     Our Major was "Cherub" Cheeseman, noted for his foul language. I am afraid he lost a tidy little legacy that he was expecting from his aunt, the Dowager Lady Shuttlecock (a very "pi" old lady), through this same habit of his.

   • 1972, Anya Seton, Green Darkness, Hachette UK →ISBN

     “Those are very 'pi' sentiments. Was a preacher in Staffordshire— I was raised chapel, though've tried to forget it—he talked that way... redemption and the lot.”

   • 1994, Roger Gard, Jane Austen's Novels: The Art of Clarity, Yale University Press →ISBN, page 101

     In Sense and Sensibility, as even you might agree, there's at least the danger of a rather pi moral framework clamping down on the spontaneous fun and leaving the sisters to survive - a bit drearily - on the periphery of a mean world.

• cicero
• pica stick

• IP, Ip

pi

1. (anatomy) gall bladder

pi

1. you (more than two)

• IPA^(key): [pi]

From Proto-Albanian *pīja, from Proto-Indo-European *pih₃- (compare Greek πίνω (píno), Serbo-Croatian pìti, Italian bere).

pi (first-person singular past tense piva, participle pirë)

1. I drink

This verb needs an inflection-table template.

• ai pi - he is a drinker
• nuk pi duhan - I do not smoke

• mbys
• pije

• pri, pre

From Latin per. Compare Daco-Romanian pe.

pi

1. on

• pisti / piste, pristi / priste
• pintru

pi

1. (Central, West) water

• Robert Blust, 2000, Low Vowel Fronting in Northern Sarawak, Oceanic Linguistics, 39:2, pp. 285-319, page 316
• Robert Blust, 2006, The Origin of the Kelabit Voiced Aspirates: A Historical Hypothesis Revisited, Oceanic Linguistics, 45:2, pages 311-338

• (Balearic, Central, Valencian) IPA^(key): /ˈpi/
• Rhymes: -i

From Old Occitan pin, from Latin pīnus, ultimately from a derivative of Proto-Indo-European *poi- (“sap, juice”).

pi m (plural pins)

1. pine; evergreen tree of the genus Pinus.
2. pinewood

pi f (plural pis)

1. Pi; the Greek letter Π (lowercase π).

pi

1. water
2. river

• Peter W. Stahl, Archaeology in the Lowland American Tropics (2006, →ISBN, page 253
• Randall Q. Huber, Robert B. Reed, Comparative vocabulary, page 86, 1992

From Latin pes, pedem.

pi m (plural pič)

1. foot

pi

1. pi (number)
2. pi (letter)

• IPA^(key): /pi/

pi m (plural pi)

1. pi (Greek letter)
2. (mathematics) pi

pi

1. (Quebec, colloquial) Alternative spelling of pis (“and”)

• “pi” in le Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

pi

1. Means nothing in particular.

See note at su.

pi

1. water
2. river

• Beatriz Vásquez de Ruiz, La predicación en guambiano (Colciencias, 1988)
• Randall Q. Huber, Robert B. Reed, Comparative vocabulary, page 86, 1992

pi

1. Latin spelling of ᐱ (pi)

• IPA^(key): /pi/
• Rhymes: -i
• Stress: pì
• Hyphenation: pi

From Latin pē (the name of the letter P).

pi f (invariable)

1. The name of the Latin-script letter P.; pee

• (Latin-script letter names) lettera; a, bi, ci, di, e, effe, gi, acca, i, i lunga, kappa, elle, emme, enne, o, pi, cu, erre, esse, ti, u, vu, doppia vu, ics, ipsilon, zeta

From Ancient Greek πεῖ (peî, the name of the Greek letter Π).

pi m (invariable)

1. The name of the Greek-script letter Π/π; pi
2. (mathematics) Synonym of pi greco

• pi greco

pi

1. Rōmaji transcription of ぴ
2. Rōmaji transcription of ピ

• IPA^(key): /pi/

pi

1. Go

   Satgi kalau depa nak pi keluaq dah, habaq kat aku awai sikit noh, satgi tak dan.

   If they are ready to go out, please inform me earlier, so that I won't be late.

   Hang ni oghang kata pa pun bukan nak dengaq, mampuih pi kat hang la.

   You never listen, just go to hell

2. Do

   Hangpa pi bedak elok-elok bagi sama banyak buah moktan tu, satgi baghu tak berkelai.

   You should split the rambutans equally between yourselves, then you won't have to fight over it.

   Awat yang hang pi pukui dia, satgi dia bawak mai geng pi taboh hang pulak, lagu mana?

   Why did you hit him, don't you afraid he might summon his gang to beat you up?

• pergi

pì

1. water

• Michael P. Noonan, A Grammar of Lango [Uganda]

pi

1. water

• Benny Garell Blount, Acquisition of Language by Luo Children (1969), page 57
• Roy Lawrence Stafford, An elementary Luo grammar, page 24, 1967

pi

1. Nonstandard spelling of pī.
2. Nonstandard spelling of pí.
3. Nonstandard spelling of pǐ.
4. Nonstandard spelling of pì.

• English transcriptions of Mandarin speech often fail to distinguish between the critical tonal differences employed in the Mandarin language, using words such as this one without the appropriate indication of tone.

• pyid (continental Normandy)
• pid (Jersey, Guernsey)

From Old French pié, from Latin pēs, pedis, from Proto-Indo-European *pṓds.

pi m (plural pis)

1. (Sark, anatomy) foot

pi

1. water

• Joseph Pasquale Crazzolara, Outlines of a Nuer grammar, page 28, 1933

pi

1. an emphatic particle

pi

1. also, even so
2. even

• pi in Pali Text Society (1921–1925), Pali-English Dictionary, London: Chipstead. (licensed under CC-BY-NC)

• water: pii[1], pé, ipé[2]

pi

1. water[3]
2. thorn[1]

• IPA^(key): /ˈpi/

From Ancient Greek πεῖ (peî).

pi m (plural pis)

1. pi (name of the Greek letter Π, π)

Onomatopoeic.

• pii, piii, piiii...

pi

1. bleep (high-pitched sound)

pi

1. who

• IPA^(key): /pîː/

pȋ n (Cyrillic spelling пи̑)

1. pi (Greek letter)
2. pi (mathematical constant)

pi

1. water

• B. Kohnen, Shilluk grammar : with a little English-Shilluk dictionary, Missioni Africane, Vérone, Italie, 317 pages, page 313, 1933

• IPA^(key): /ˈpíː/
• Tonal orthography: pȋ

pí m inan (genitive píja or pí, nominative plural píji or pí)

1. pi (Greek letter)
2. pi (mathematical constant)

This noun needs an inflection-table template.

• IPA^(key): /ˈpi/
• Rhymes: -i

pi f (plural píes)

1. pi; the Greek letter Π, π

• Rhymes: -iː

pi n

1. (mathematics) pi, a constant
2. pi; a Greek letter

pi

1. water

• Randall Q. Huber, Robert B. Reed, Comparative vocabulary, page 86, 1992

pi

1. water

• Randall Q. Huber, Robert B. Reed, Comparative vocabulary, page 86, 1992

From Proto-Finnic *pii, from Proto-Finno-Ugric *piŋe.

pi

1. tooth (protrusion of certain objects, e.g. a saw, rake)

• Zajceva, N. G.; Mullonen, M. I. (2007), “зуб”, in Uz’ venä-vepsläine vajehnik / Novyj russko-vepsskij slovarʹ [New Russian–Veps Dictionary], Petrozavodsk: Periodika