P

Look up p in Wiktionary, the free dictionary.

P is the sixteenth letter of the Latin alphabet. In other alphabets, the Er (Cyrillic), shares the shape of P; and P (or p) is sometimes confused with Rho ρ or ϱ.

P may also refer to:

Arts, literature and music

• P (band), 1993 American rock band
• “P” (song), 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, the ancient Greek author of the Hellenica Oxyrhynchia
• P, priestly source of the Hebrew Bible

Mathematics

• p-value , in statistical hypothesis testing
• P (complexity), a complexity class in computational complexity theory
• #P complexity class

Money

• P (instead of ), a symbol often used for the Philippine Peso.
• p is a symbol for Penny

Science and computing

• P-type semiconductor
• Haplogroup P (mtDNA), a human mitochondrial DNA (mtDNA) haplogroup
• Haplogroup P (Y-DNA), a Y-chromosomal DNA (Y-DNA) haplogroup
• 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.
• P(), the usual name for the operation to acquire a semaphore.
• p, the symbol for momentum in Physics.
• P, the symbol for Power (physics)
• P, the symbol for the chemical element Phosphorus
• <p>, the HTML element to mark the beginning of paragraphs
• p, the SI prefix symbol for pico-, 10^-12

Corporate

• P, Panasonic's mobile phones in Japan
• Railpower Technologies, (TSX: P) is a Canadian company that builds environmentally friendly hybrid yard locomotives.

Other uses

• P, New Zealand street name for methamphetamine

This disambiguation page lists articles associated with the same Latin letter. If an internal link led you here, you may wish to change the link to point directly to the intended article.