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Prime coat
A prime coat is a low-viscosity bituminous material sprayed on a granular road base to waterproof and stabilize it and promote adhesion with the overlying asphalt.
Prime Computer
Prime Computer, Inc., also known as PR1ME, was an American minicomputer manufacturer in Massachusetts, founded in 1972, which built the 32-bit 50-series and PRIMOS before ending manufacturing in 1992.
Prime lens
A prime lens is a photographic or cine lens with a fixed focal length, common at 24, 35, 50, and 85 mm; reframing requires moving the camera rather than zooming.
Prime Planet Energy & Solutions
Prime Planet Energy & Solutions (PPES) is a joint venture of Toyota, which holds 51 percent, and Panasonic, founded in 2020 to make automotive prismatic lithium-ion batteries.
Prime Video
Prime Video is Amazon's subscription video-on-demand streaming service, included with Amazon Prime or available standalone. It began as Prime Instant Video in 2011 and took its current name in 2018.
Primearth EV Energy
Primearth EV Energy (PEVE) was a Japanese automotive battery maker founded in 1996 as a Toyota–Panasonic joint venture; it was renamed TOYOTA BATTERY in 2024.
Primetals Technologies
Primetals Technologies is a full-line supplier of metallurgical plant equipment and lifecycle services, formed in 2015 from the merger of Mitsubishi Hitachi Metals Machinery and Siemens VAI Metals Technologies.
Primitive data type
A primitive data type, or built-in type, is a data type predefined by a programming language rather than built by the programmer, typically integers, floats, booleans, and characters.
Primorsk (oil terminal)
Primorsk is a major Russian oil export terminal on the Gulf of Finland in Leningrad Oblast, the endpoint of Transneft's Baltic Pipeline System since 2001.
Primorsk nuclear power plant
The Primorsk nuclear power plant (Приморская АЭС) is a planned 2 GW nuclear station in Primorsky Krai, Russia, with VVER-1000 units planned for 2033 and 2035.
Primorsky power station
Primorsky power station, also known as Primorskaya GRES, is a coal-fired power station in Luchegorsk, Primorsky Krai, Russia, and the largest thermal power plant in the Russian Far East.
Primrose (oil sands project)
Primrose is a thermal in situ oil sands project in the Cold Lake area of northeast Alberta, owned and operated by Canadian Natural Resources Limited since 1984.
Primus Power
Primus Power is an American energy storage company founded in 2009 by Tom Stepien, based in Hayward, California, that develops zinc-bromine flow batteries for grid, commercial, and military applications.
Prince Edward Road MRT station
Prince Edward Road MRT station (CC32) is a Circle Line station in Singapore's Shenton Way, opened 12 July 2026 with Keppel and Cantonment to close the Circle Line loop; 30 m deep, ship's-hull maritime design, anticlockwise service terminus from Dhoby Ghaut.
Prince engine
The Prince engine (BMW N13, PSA EP) is a family of 1.4- and 1.6-liter four-cylinder petrol engines jointly developed by BMW and PSA Peugeot Citroën from 2006.
Prince's Palace of Monaco
The Prince's Palace of Monaco (Palais Princier) is the official residence of Monaco's sovereign prince, a Genoese fortress built from 1215 on the Rock of Monaco.
Princes Highway
The Princes Highway is a major arterial road in southeastern Australia running from Sydney through the NSW South Coast and Gippsland to Melbourne, opened in 1920 and named for the Prince of Wales.
Princess Cruises
Princess Cruises, also known as Princess Cruise Line, is an American-British cruise line founded in 1965 by Stanley B. McDonald, known as the setting of "The Love Boat".
Princess Juliana International Airport
Princess Juliana International Airport, also known as Princess Juliana Airport, is the airport of Dutch Sint Maarten in the Caribbean, known for aircraft passing low over Maho Beach.
Princess telephone
The Princess telephone, also known as the Princess phone, is a compact pastel-colored desk telephone introduced by the Bell System in 1959, designed in Henry Dreyfuss's office.
Princeton Digital Group
Princeton Digital Group is a Singapore-headquartered developer and operator of hyperscale data centers serving cloud and AI customers across seven Asian markets, backed by Warburg Pincus, with over 1.8 GW of capacity.
Princeton Large Torus
The Princeton Large Torus, or PLT, was a tokamak fusion experiment at Princeton Plasma Physics Laboratory that operated from 1975 to 1986 and set a 1978 world record for ion temperature.
Princeton Plasma Physics Laboratory
The Princeton Plasma Physics Laboratory, also known as Project Matterhorn, is a US Department of Energy fusion research lab in Princeton, New Jersey, managed by Princeton University.
Principal component analysis
Principal component analysis (PCA), also known as the Hotelling transform, is an unsupervised linear method that reduces a dataset's dimensionality by replacing correlated variables with fewer uncorrelated ones.
Principle of least astonishment
The principle of least astonishment, also called the principle of least surprise, is a software design principle stating that a system should behave as its users expect.
Principle of least privilege
The principle of least privilege is a security principle stating that users and processes get only the minimum access needed for their assigned tasks, codified as NIST control AC-6.
Printed circuit board
A printed circuit board, or PCB, is an insulating board with etched copper traces that both connects electronic components and supports them mechanically, underpinning nearly all electronics.
Printed circuit board manufacturing
Printed circuit board manufacturing is the industrial process that turns circuit design data into a bare board with patterned copper, plated holes, and solder mask.
Printer (computing)
A printer, or computer printer, is a peripheral device that produces a permanent copy of text or graphics, usually on paper, from data sent by a computer.
Printing
Printing reproduces text and images in multiple copies by transferring ink from a block, type, or plate onto paper, dating from East Asian woodblock printing.