PI


Meaning of PI in English

I. ˈpī noun

( -s )

Etymology: Middle Greek, from Greek pei, of Semitic origin; akin to Hebrew pē

1. : the 16th letter of the Greek alphabet — symbol Π or π; see alphabet table

2.

a. : the symbol π denoting the ratio of the circumference of a circle to its diameter

b. : the ratio itself : a transcendental number having a value to eight decimal places of 3.14159265

II. noun

also pie “

( plural pies )

Etymology: origin unknown

1.

a. : type or type matter that is spilled, mixed, or incorrectly distributed

when … a disaster occurs and the type falls or collapses, the resulting disordered heap is the famous printer's pi — Seán Jennett

b. : the condition of pi

a great deal of what he has set up is often thrown into pi — John Southward

2. : a pi character or matrix

Synonyms: see confusion

III. adjective

1. : not intended to appear in final printing because improperly set or containing a temporary instruction to the printer — used of a line of type or print

2. : not carried in a keyboard-controlled channel and therefore insertable only by hand — used of a typesetting-machine matrix

IV. verb

also pie “

( pied ; pied ; piing or pieing ; pies )

transitive verb

: to spill or throw (type or type matter) into disorder

pi a case

pi a form

pi a galley

intransitive verb

: to become pied

some display matter pies easily

V. adverb

Etymology: pi (III)

: as a pi character

border matrices always run pi but can have special combinations cut to run in magazine — Intertype Faces

VI. adjective

Etymology: short for pious

Britain : moralizing , preachy , goody-goody

VII. abbreviation

piaster

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.