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Definition of Pi in English :

Define Pi in English

Pi meaning in English

Meaning of Pi in English

Pronunciation of Pi in English

Pi pronunciation in English

Pronounce Pi in English

Pi

see synonyms of pi

Noun

1. pi

the ratio of the circumference to the diameter of a circle; approximately equal to 3.14159265358979323846...

2. operative, pi, private detective, private eye, private investigator, shamus, sherlock

someone who can be employed as a detective to collect information

3. pi, principal investigator

the scientist in charge of an experiment or research project

4. pi

the 16th letter of the Greek alphabet

5. pi, protease inhibitor

an antiviral drug used against HIV; interrupts HIV replication by binding and blocking HIV protease; often used in combination with other drugs

WordNet Lexical Database for English. Princeton University. 2010.

Pi

see synonyms of pi
nounWord forms: plural pis
1. 
the 16th letter in the Greek alphabet (Π, π), a consonant, transliterated as p
2. mathematics
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
nounWord forms: plural pies
1. 
a jumbled pile of printer's type
2. 
a jumbled mixture
verbWord forms: pies, piing, pied, pies, pieing or pied (transitive)
3. 
to spill and mix (set type) indiscriminately
4. 
to mix up
adjective
British slang short for pious (sense 2), pious (sense 3)
abbreviation for
1. 
Philippine Islands
2. 
private investigator

Collins English Dictionary. Copyright © HarperCollins Publishers

Pi

see synonyms of pi
private investigator
nounWord forms: plural pies
1. 
a mixed, disordered collection of printing type
2. 
any jumble or mixture
verb transitiveWord forms: pied, ˈpieing or ˈpiing
3. 
to make jumbled; mix up (type)
noun
1. 
the sixteenth letter of the Greek alphabet (Π, π)
2. 
a. 
the symbol (π) designating the ratio of the circumference of a circle to its diameter
b. 
the ratio itself, equal to 3.14159265+: often approximated as 22⁄7

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.

Pi

see synonyms of pi
n.
1. (also pē) The 16th letter of the Greek alphabet. See Table at alphabet.
2. Mathematics A transcendental number, approximately 3.14159, represented by the symbol π, that expresses the ratio of the circumference to the diameter of a circle and appears as a constant in many mathematical expressions.
n. pl. pis also pies
An amount of type that has been jumbled or thrown together at random.
v. pied (pīd), pi·ing, pies also pied, pie·ing, pies
v.tr.
To jumble or mix up (type).
v.intr.
To become jumbled.
abbr.
private investigator

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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