# Pi vs. Phi

## Difference Between Pi and Phi

#### Pinoun

(also pē) The 16th letter of the Greek alphabet. See Table at alphabet.

#### Phinoun

The 21st letter of the Greek alphabet. See Table at alphabet.

#### Pinoun

(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.

#### Phinoun

Φ, the 21st letter of the Euclidean and modern Greek alphabet, usually romanized as "ph".

#### Pinoun

An amount of type that has been jumbled or thrown together at random.

#### Phinoun

(mathematics) The golden ratio.

#### Piverb

To jumble or mix up (type).

#### Phinoun

A visual illusion whereby a sequential pattern of lights produces a false sense of motion.

#### Piverb

To become jumbled.

#### Phinoun

the 21st letter of the Greek alphabet

#### Pinoun

The 16th letter of the Classical and Modern Greek alphabets and the seventeenth in Old Greek.

#### Pinoun

(mathematics) An irrational and transcendental constant representing the ratio of the circumference of a Euclidean circle to its diameter; approximately 3.14159265358979323846264338327950; usually written π.

#### Pinoun

(metal typesetting) Metal type that has been spilled, mixed together, or disordered. Also called pie.

#### Piverb

(metal typesetting) To spill or mix printing type. Also, "to pie".

#### Piadjective

(typography) 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 may be entered with special key combinations.*

#### Pinoun

the ratio of the circumference to the diameter of a circle

#### Pinoun

someone who can be employed as a detective to collect information

#### Pinoun

the scientist in charge of an experiment or research project

#### Pinoun

the 16th letter of the Greek alphabet

#### Pinoun

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