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
  • POS (singer) (born 1998), a Nigerian singer and songwriter
  • 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 (born 1977), Finnish DJ and producer, member of the English electronic group Above & Beyond

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
  • Price of stability, in game theory
  • 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)