P I
PI
Dictionary.com Unabridged
P.I.
1.
Philippine Islands.
2.
Also, PI, p.i. private investigator.
00:10
P i
is always a great word to know.
So is bezoar. Does it mean:
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| a gadget; dingus; thingumbob. |
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Link To p i
Collins
World English Dictionary
pi1 (paɪ) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —n , pl pis | |
| 1. | the 16th letter in the Greek alphabet (Π, π), a consonant, transliterated as p |
| 2. | maths a transcendental number, fundamental to mathematics, that is the ratio of the circumference of a circle to its diameter. Approximate value: 3.141 592…; symbol: π |
| [C18 (mathematical use): representing the first letter of Greek periphereia | |
| pi or pie2 (paɪ) | |
| —n , pl pies | |
| 1. | a jumbled pile of printer's type |
| 2. | a jumbled mixture |
| —vb , pies, pies, piing, pied, pies, pieing, pied | |
| 3. | to spill and mix (set type) indiscriminately |
| 4. | to mix up |
| [C17: of uncertain origin] | |
| pie or pie2 | |
| —n | |
| —vb | |
| [C17: of uncertain origin] | |
| PI | |
| —abbreviation for | |
| 1. | Philippine Islands |
| 2. | private investigator |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History
pi
1841, used in L. 1748 by Swiss mathematician Leonhart Euler (1707-83), from Gk. letter pi (from Heb., lit. "little mouth") as an abbreviation of Gk. periphereia "periphery." For the meaning "printer's term for mixed type," see pie (3).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary
pi (pī)
n. pl. pis
Symbol π The 16th letter of the greek alphabet.
pI (pē'ī')
n.
The pH value for the isoelectric point of a given substance in solution.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
pi  (pī) Pronunciation Key
An irrational number that has a numerical value of 3.14159265358979... and is represented by the symbol π. It expresses the ratio of the circumference to the diameter of a circle and appears in many mathematical expressions. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary
pi [(peye)]The irrational number obtained by dividing the length of the diameter of a circle into its circumference. Pi is approximately 3.1416. The sign for pi is π.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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American Heritage
Abbreviations & Acronyms
| pi Pali |
| Pi inorganic phosphate |
PI
|
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Nearby Words
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