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Plate heat exchanger
A plate heat exchanger transfers heat between two fluids through a stack of corrugated metal plates without mixing, offering high efficiency and a small footprint.
Plated through-hole
A plated through-hole is a hole drilled through a printed circuit board whose copper-lined wall conducts electricity between the board's layers and can hold a component lead.
Platform as a service
Platform as a service (PaaS) is a cloud computing model where the provider manages hardware, operating systems, and tools, and customers supply only their applications and data.
Platform Controller Hub
The Platform Controller Hub (PCH), also known as Intel PCH, is Intel's single-chip I/O controller connecting the processor to USB, SATA, PCIe, audio, and networking functions.
Platform Designer
Platform Designer, formerly known as Qsys, is the Intel Quartus Prime tool for assembling FPGA system-on-chip designs from IP components with automatically generated interconnect logic.
Platform screen doors
Platform screen doors (PSDs) are powered barriers along a platform edge that open and close with train doors, installed chiefly to prevent falls and entries onto the track.
Platform supply vessel
A platform supply vessel (PSV) is a ship purpose-built to carry cargo, equipment, and supplies between onshore bases and offshore oil and gas platforms, with an open deck aft and bulk tanks below.
Platform-M
Platform-M (Платформа-М) is a Russian small tracked, remotely controlled unmanned ground vehicle developed by NITI Progress in Izhevsk, typically armed with a PKT machine gun and grenade launchers.
PlatformIO
PlatformIO is an open-source ecosystem for embedded software development, built around a command-line tool and a Visual Studio Code extension for building, uploading, and debugging microcontroller projects.
Plating
Plating, also called metal plating, is the deposition of a thin metallic layer onto a surface, most often by electroplating, for corrosion protection, wear resistance, or decoration.
Platinum dissolution and platinum band formation in fuel cells
Platinum dissolution in fuel cells is the electrochemical loss of platinum from a PEMFC cathode, a degradation pathway where dissolved ions form a platinum band in the membrane.
Platinum-cobalt alloy catalyst
A platinum-cobalt alloy catalyst is a carbon-supported nanoparticle electrocatalyst used in fuel cell cathodes, which reduces oxygen faster than pure platinum while using less of it.
Platinum-ruthenium anode catalyst
A platinum-ruthenium anode catalyst, or PtRu, is a bimetallic electrocatalyst, usually alloy nanoparticles on carbon, used in direct methanol fuel cells for its carbon monoxide tolerance.
Plato Malozemoff
Plato Malozemoff (1909–1997) was an American mining engineer and metallurgist who led Newmont Mining Corporation from 1954 to 1985, growing it from $147 million to $2.3 billion.
Platoon dispersion model
The platoon dispersion model is a traffic-flow model, formulated by Dennis Robertson in 1969 for TRANSYT, that predicts how vehicle platoons spread between signalized intersections.
Platt scaling
Platt scaling, also known as Platt calibration, is a post-hoc calibration method that fits a sigmoid to a classifier's raw scores, converting them into probabilities; John Platt introduced it for support vector machines.
Platts
Platts, a price reporting agency founded in 1909, is an S&P Global brand publishing over 15,000 daily commodity price assessments, including the Dated Brent oil benchmark.
Platzi
Platzi is a Latin American online education platform selling subscription access to Spanish-language courses in technology, design, marketing, business, and English, with AI-driven learning paths.
Play (airline)
Play, formally Fly Play ehf., was an Icelandic low-cost airline flying between Europe and North America via Keflavík, operating from 2021 until its collapse in 2025.
Play Framework
Play Framework is an open-source, full-stack web application framework for Java and Scala, integrating an HTTP server, routing, and CSRF protection, and built on a stateless, reactive architecture.
Playbook (incident response)
An incident response playbook is a documented, predefined set of steps for handling a specific incident, such as ransomware or an outage, so teams respond consistently instead of improvising.
Playboy Mansion
The Playboy Mansion, also known as Playboy Mansion West, is a Gothic Tudor estate in Holmby Hills, Los Angeles, Hugh Hefner's home and party venue from 1971 to 2017.
Player Project
The Player Project is an open-source robotics project begun in 1998 at the University of Southern California, providing the Player robot device server and the Stage and Gazebo simulators.
Player/Stage
Player/Stage is a free software robotics project combining Player, a network server giving robot controllers a uniform interface to sensors and actuators, with Stage, a 2D simulator of large robot populations.
Playground v2.5
Playground v2.5 is a 3-billion-parameter open-weights text-to-image diffusion model released by Playground in February 2024, using the Stable Diffusion XL architecture trained from scratch for higher aesthetic quality.
PlaySide Studios
PlaySide Studios Limited is an Australian video game developer and publisher in Port Melbourne, founded in 2011 and known for the Dumb Ways to Die games and Civilization VII VR.
PlayStation 2 Expansion Bay
The PlayStation 2 Expansion Bay is a 3.5-inch drive bay on the rear of the original "fat" PlayStation 2 console, designed to hold a network adaptor and internal hard drive.
PlayStation Hero Projects
The PlayStation Hero Projects are Sony Interactive Entertainment incubator programs funding game developers in China, India, and the Middle East and North Africa, begun with the China Hero Project in 2016.
PlayStation VR
PlayStation VR (PS VR), also known as PlayStation Project Morpheus, is Sony's virtual reality headset for the PlayStation 4, released in October 2016 and succeeded by PlayStation VR2 in 2023.
Playtech
Playtech plc is a British-listed gambling technology company founded in Estonia in 1999 by Teddy Sagi's team, trading on the London Stock Exchange and supplying platform, content, and services software to betting operators.