LPI

LPI may refer to:

Places
  • Linköping SAAB Airport, Sweden (IATA code)
  • Linus Pauling Institute at Oregon State University
  • La Pyramide Inversée, a skylight constructed in an underground shopping mall in front of the Louvre Museum in France
  • Lady Parry Island, an uninhabited island in Nunavut, Canada, in the Gulf of Boothia
Organizations
  • Lunar and Planetary Institute, a scientific research institute dedicated to study of the solar system, its formation, evolution, and current state
  • Linux Professional Institute, a non-profit organization that provides vendor-independent professional certification for Linux system administrators and programmers
  • LPI Media, gay and lesbian publisher in the United States
Science and technology
  • Liquid penetrant inspection, also called liquid penetrant inspection (LPI) or penetrant testing (PT), is a widely applied and low-cost inspection method used to locate surface-breaking defects in all non-porous materials (metals, plastics, or ceramics)
  • Lysinuric protein intolerance, an autosomal recessive metabolic disorder affecting amino acid transport
  • Liquid propane injection
  • Liquid phase injectors
Indexes
  • Language Proficiency Index, a Canadian standardized test for English proficiency written and administered by the University of British Columbia Applied Research and Evaluation Services
  • Limited Price Indexation, a pricing index used in the calculation of increases in certain components of scheme pension payments in the UK
  • Living Planet Index, an indicator of the state of global biological diversity, based on trends in vertebrate populations of species from around the world
  • Legatum Prosperity Index, an annual ranking developed by the Legatum Institute of 110 countries, according to a variety of factors including wealth, economic growth, personal wellbeing, and quality of life. Norway topped the list of the 2010 report
Other uses
  • Licensed Private Investigator, a person who can be hired by individuals or groups to undertake investigatory law services
  • Linear partial information, a method of making decisions based on insufficient or fuzzy information
  • Lines per inch, a measurement of printing resolution in systems that use a halftone screen. Specifically, it is a measure of how close together the lines in a halftone grid are. Higher LPI indicates greater detail and sharpness
  • Low probability of intercept Radar (LPIR), a radar system designed to be difficult to detect
  • La Paz Incident, occurred in May 1863 at the ghost town of La Paz in Confederate Arizona and was the westernmost confrontation of the American Civil War