pi(noun)

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

private detective, PI, private eye, private investigator, operative, shamus, sherlock(noun)

someone who can be employed as a detective to collect information

principal investigator, PI(noun)

the scientist in charge of an experiment or research project

pi(noun)

the 16th letter of the Greek alphabet

protease inhibitor, PI(noun)

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

pi(Noun)

The name of the sixteenth letter of the Classical and Modern Greek alphabets and the seventeenth in Old Greek.

pi(Noun)

An irrational and transcendental constant representing the ratio of the circumference of a Euclidean circle to its diameter; approximately 3.1415926535897932384626433832795; usually written u03C0.

pi(Noun)

Metal type that has been spilled, mixed together, or disordered. Also called pie.

pi(Verb)

To spill or mix printing type. Also, "to pie".

pi(Adjective)

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 are entered with special combinations of keys like ctrl-alt-x, or via character sequences such as .

pi(Adjective)

pica (conventionally, 12 points = 1 pica, 6 picas = 1 inch)

In computing, pi characters are entered with special combinations of keys like ctrl-alt-x, or via character sequences such as .

pi(Adjective)

piaster

Pi(noun)

a mass of type confusedly mixed or unsorted

Pi(verb)

to put into a mixed and disordered condition, as type; to mix and disarrange the type of; as, to pi a form