pi

Meanings

Noun

• The 16th letter of the Classical and Modern Greek alphabets and the seventeenth in Old Greek.
• An irrational and transcendental constant representing the ratio of the circumference of a Euclidean circle to its diameter; approximately 3.14159265358979323846264338327950; usually written π.
• Metal type that has been spilled, mixed together, or disordered.
• pica (conventionally, 12 points = 1 pica, 6 picas ≈ 1 inch)
• piaster

Verb

• To spill or mix printing type.

Adjective

• Not part of the usual font character set; especially, non-Roman type or symbols as opposed to standard alphanumeric Roman type.
• pious

Related

Similar words

• Archimedes' constant, Ludolphian number, Ludolph's constant, Ludolph's number

Origin

• From Ancient Greek πεῖ, ultimately from Proto-Semitic *pay- ("mouth"). pe. Its mathematical use apparently stems from its use as the first letter in περιφέρεια and was first cited in 1706 in the Synopsis Palmariorum Matheseos by William Jones.
• Abbreviations