Look up POS, pos, pos-, or pòs in Wiktionary, the free dictionary.

POS, Pos or PoS may refer to:

Linguistics

• Part of speech, the role that a word or phrase plays in a sentence
• Poverty of the stimulus, a linguistic term used in language acquisition and development
• Sayula Popoluca (ISO 639-3), an indigenous language spoken in Veracruz, Mexico

Music

• P.O.S (rapper) (born 1981), or Stefon Alexander, American hip hop artist
• Kelvin Mercer (born 1969), also known as Pos, member of the New York hip hop trio De La Soul
• Pain of Salvation, Swedish progressive metal band
• Paavo Siljamäki, Finnish DJ and producer, member of the English electronic group Above & Beyond. P.O.S is one of his aliases.

Places

• Port of Spain, Trinidad and Tobago
• Piarco International Airport (IATA code), Piarco, Trinidad and Tobago
• Pomona–Downtown station (Amtrak station code), California, US

Science and technology

• Political opportunity structure, an approach to explain social movements
• Polycystic ovary syndrome, a disease of the ovaries
• Probability of success, in statistics
• Product of sums, a canonical form in Boolean algebra

Computing

• P/OS, operating system of DEC Professional PCs from Digital Equipment Corporation
• Packet over SONET/SDH, a communications protocol for transferring packets over fiber networks
• PERQ Operating System, operating system for PERQ workstations
• Proof of space, a cryptocurrency blockchain distributed consensus method
• Proof of stake, a cryptocurrency blockchain distributed consensus method

Transportation

• Post Office Sorting Van, a type of rail vehicle used in a Travelling Post Office train
• SNCF TGV POS, a French high-speed train

Other uses

• Phi Omega Sigma (disambiguation), a Greek name for any of five different student organizations
• Piece of shit, a phrase considered vulgar and profane in Modern English
• Point of sale, location where payment is accepted
• Point of service plan, a type of managed care health insurance plan in the US
• Polytechnic Secondary School (Polytechnische Oberschule), the 10-year general educational system in East Germany
• Priory of Sion, a fictitious secret society
• Public open space, a planning term for an outdoor public forum

See also

• Post Office Square (disambiguation)
• All pages with titles beginning with POS
• All pages with titles containing POS

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