P (disambiguation)

P is the sixteenth letter of the ISO basic Latin alphabet.

P may also refer to:

P, in Greek alphabet, the Rho, the lowercase p is also sometimes confused with Rho ρ or ϱ
P, in Cyrillic alphabet, the Er
${\mathfrak {P}}$ ⁿ siglum for New Testament papyrus with Gregory-Aland number n
In linguistics, P (also O), the patient-like argument (object) of a canonical transitive verb
Encircled P, or ℗, is the sound recording copyright symbol
p., an abbreviation for page when referencing a page number in a print publication
Portugal country code in the vehicle registration plates of the European Union
Parking, see also Parking (disambiguation).
P (Nazi symbol), worn by Polish forced labourers during Nazi occupation

Arts, literature and music

P (band), a 1993–95 American alternative rock band
- P (album), the 1995 eponymous release by American alternative rock band P
p in sheet music indicates piano, a dynamic direction to play softly
P (film), a 2005 Thai film
"P," a song from the Venetian Snares album Cavalcade of Glee and Dadaist Happy Hardcore Pom Poms
P, code for the Paris Herbarium at the Muséum national d'histoire naturelle
P, priestly source of the Hebrew Bible
P, the ancient Greek author of the Hellenica Oxyrhynchia
P, the production code for the 1965 Doctor Who serial The Crusade
"P" Is for Peril, the sixteenth novel in Sue Grafton's "Alphabet mystery" series, published in 2001

Computing

P(), the usual name for the operation to acquire a semaphore
<p></p>, the HTML element used to create a paragraph
P-type semiconductor
P (programming language), developed by Microsoft and UC, Berkeley
Primitive programming language P′′
p, a suffix unit for video resolution (vertical Progressive-scan lines), as in 720p or 1080p

Mathematics

p-value, in statistical hypothesis testing
P (complexity), a complexity class in computational complexity theory
#P complexity class
pico- SI prefix
Peta- metric system prefix
P, universal parabolic constant
Pi

Money, corporate

P (instead of ₱), a symbol often used for the Philippine peso
p is a symbol for penny
P, the New York Stock Exchange ticker symbol for Pandora Media, Inc., the corporate owner of Pandora Radio
P, Panasonic's mobile phones in Japan
Railpower Technologies (TSX: P), a Canadian company that builds environmentally friendly hybrid yard locomotives

Science

p, the symbol for momentum in physics
P, the symbol for power (physics)
P, the symbol for proposition
Pulse, the rate of heartbeats
Poise, the unit for dynamic viscosity in the centimetre gram second system of units
P, the symbol for the chemical element phosphorus
p, the symbol for pressure
p, the SI prefix symbol for pico-, 10⁻¹²
p, approximates the negative common logarithm (base 10) in pH, the measure of acidity or basicity
Haplogroup P (mtDNA), a human mitochondrial DNA (mtDNA) haplogroup
Haplogroup P (Y-DNA), a Y-chromosomal DNA (Y-DNA) haplogroup
Methamphetamine, nicknamed "P" in New Zealand
p designates the short arm of a chromosome
ATC code P Antiparasitic products, insecticides and repellents, a section of the Anatomical Therapeutic Chemical Classification System
Proline, an amino acid abbreviated P or Pro

Other uses

Papa, the military time zone code for UTC−03:00

gollark: Or longer.

gollark: The timeline is probably a few hundred years to run out of uranium.

gollark: *Technically* with a finite amount you'll eventually run out, but advancing technology should mean it would be easy to replace it anyway.

gollark: You don't need to. There's enough uranium.

gollark: We have enough for 70 years of current production available, and the many, many ways to get more or use existing stuff more efficiently have just been ignored because they aren't needed now.