Definitions for: Pi


[n] the 16th letter of the Greek alphabet
[n] the scientist in charge of an experiment or research project
[n] someone who can be employed as a detective to collect information
[n] the ratio of the circumference to the diameter of a circle



Webster (1913) Definition: Pi (p[imac]), n. [Gr. pi^.]
1. A Greek letter ([Pi], [pi]) corresponding to the Roman
letter P.

2. Specif.: (Math.) The letter [Pi], [pi], as used to denote
the number or quotient approximately expressing the ratio
of the circumference of a circle to its diameter; also,
the quotient or the ratio itself. The value of the
quotient pi, to eight decimal places, is 3.14159265. The
quotient pi cannot be expressed as a root of an algebraic
equation; and from this fact follows the impossibility of
the quadrature of the circle by purely algebraic
processes, or by the aid of a ruler and compass.


Pi, n. [See Pica, Pie magpie, service-book.] (Print.)
A mass of type confusedly mixed or unsorted. [Written also
pie.]


Pi, v. t. [imp. & p. p. Pied; p. pr. & vb. n. Pieing.]
(Print.)
To put into a mixed and disordered condition, as type; to mix
and disarrange the type of; as, to pi a form. [Written also
pie.]

Synonyms: 3.14159265358979323846..., operative, principal investigator, private detective, private eye, private investigator, shamus, sherlock

See Also: alphabetic character, detective, Greek alphabet, hotel detective, house detective, house dick, inquiry agent, irrational number, letter, letter of the alphabet, man of science, scientist, store detective

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