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Relief valve
A relief valve, also called a pressure relief valve, is an automatic device that opens at a set pressure to discharge excess fluid and protect against overpressure.
Relikt
Relikt (Реликт) is a Russian third-generation explosive reactive armor developed as the successor to Kontakt-5, designed to reduce the penetration of shaped-charge and kinetic rounds, and installed on the T-80BVM, T-90M, and BMPT Terminator.
Relocalization (robotics)
Relocalization is the process by which a robot re-establishes its pose within a known map after losing track of it, addressing the kidnapped-robot problem and enabling autonomous recovery without manual re-initialization.
Rely (威麟) (marque)
Rely (威麟) is a marque of the Chinese automaker Chery, launched in March 2009 for business and mid-to-high-end vehicles and revived in 2025 as a global pickup brand.
Rem Koolhaas
Rem Koolhaas, born Remment Lucas Koolhaas in Rotterdam in 1944, is a Dutch architect and writer who founded OMA and won the Pritzker Architecture Prize in 2000.
Remaining useful life estimation
Remaining useful life (RUL) estimation is the prediction of how much longer an asset can operate before its health falls below a failure threshold, the central task of prognostics in maintenance.
Remanufacturing
Remanufacturing is the industrial process of returning a used or worn product to like-new or better condition, going beyond repair and refurbishment in restoring value.
Remark Holdings
Remark Holdings, Inc. is a technology company based in Las Vegas, Nevada, offering AI-powered analytics, computer vision, and smart agent solutions; delisted from Nasdaq in 2024.
reMarkable 2
The reMarkable 2 is a paper tablet made by the Norwegian company reMarkable, introduced in 2020 for handwritten notes on a 10.3-inch E Ink display.
RemArms
RemArms is an American firearms company operating the Remington Firearms brand, bought for $13 million in Remington's 2020 bankruptcy auction and based in LaGrange, Georgia.
Remcos
Remcos, short for Remote Control and Surveillance, is a Windows remote access trojan sold by Breaking Security, delivered by phishing and used in malware campaigns since 2016.
Remington Arms
Remington Arms, also known as Remington Arms Company, is an American firearms and ammunition company founded in 1816, known for the Model 870 shotgun and Model 700 rifle.
Remington Model 1858
The Remington Model 1858, known as the New Model Army Revolver, is a six-shot percussion revolver made in Ilion, New York, and widely used by Union forces in the Civil War.
Remington Model 700
The Remington Model 700 is a centerfire bolt-action rifle introduced by Remington Arms in 1962, the basis for the Army's M24 and Marine M40 sniper rifles.
Remington Model 760
The Remington Model 760 Gamemaster is an American pump-action, centerfire hunting rifle produced by Remington Arms from 1952 to 1980, chambered for cartridges such as the .30-06 Springfield.
Remington Model 8
The Remington Model 8, introduced as the Remington Autoloading Rifle, is a semi-automatic rifle designed by John Browning and made by Remington from 1906 to 1936.
Remington Model 870
The Remington Model 870 is an American pump-action shotgun introduced in 1950, produced in five gauges with over 10 million made and still manufactured by RemArms in LaGrange, Georgia.
Remington MSR
The Remington MSR, or Modular Sniper Rifle, is a multi-caliber bolt-action sniper rifle developed by Remington Defense around 2009, which won SOCOM's Precision Sniper Rifle competition in 2013.
Remington Rolling Block rifle
The Remington Rolling Block rifle is a single-shot breech-loading rifle produced from the mid-1860s into the early 20th century and adopted by more than 40 countries.
Remini
Remini is an AI photo and video enhancement app that restores old, blurry photos and generates AI portraits, launched in 2019 and owned by Bending Spoons since 2022.
REMIT Regulation
The REMIT Regulation, a 2011 EU law in force that December, prohibits insider trading and market manipulation in wholesale energy markets and requires reporting of trading data to ACER.
Remote assistance
Remote assistance in automated driving is event-driven advice from a remotely located human to a driverless vehicle, which stays in control and never steers or brakes.
Remote broadcast
A remote broadcast, also known as a live shot, is a radio or television program produced and transmitted from outside the studio, such as a stadium or news scene.
Remote call forwarding
Remote call forwarding (RCF) is a telephone service in which all calls to a number are automatically forwarded by the central office switch to another number.
Remote center compliance
A remote center compliance (RCC) device is a passive structure mounted between a robot arm and its gripper that corrects misalignment during automated assembly without sensors or feedback control.
Remote control
A remote control is a handheld electronic device used to operate another device, such as a television, from a distance; infrared remotes became standard in the 1980s.
Remote Desktop Protocol
Remote Desktop Protocol (RDP) is Microsoft's protocol for remoting a graphical session, transferring display data to the user and input commands to the remote computer.
Remote Desktop Services
Remote Desktop Services (RDS), formerly known as Microsoft Terminal Services, is a Windows Server role that delivers remote desktops and applications to users over the network.
Remote direct memory access
Remote direct memory access (RDMA) is a networking technique that lets one computer read or write memory on another machine directly, without involving its CPU or operating system.
Remote epitaxy
Remote epitaxy is an epitaxial growth technique in which a film grown through an atomically thin 2D layer such as graphene aligns with the underlying substrate.