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ARM C-series
The Arm C-series is Arm's family of licensable application CPU cores, introduced in 2025 to replace the Cortex-A and Cortex-X naming; its first C1 cluster appeared in the Lumex platform.
Arm China
Arm China, formally Arm Technology (China) Co. Ltd. (安谋科技), is the independent Chinese joint venture that licenses Arm's semiconductor technology and collects royalties in China.
ARM Climate Research Facility
The ARM Climate Research Facility is a Department of Energy scientific user facility, established in 1990, whose observatories measure clouds, aerosols, and precipitation to improve climate models.
ARM Cortex-A
ARM Cortex-A is a family of application processor cores from Arm that runs full operating systems like Linux and Android, powering smartphones and other high-performance devices.
ARM Cortex-A53
ARM Cortex-A53 is a low-power, mid-range 64-bit processor core designed by Arm, launched in 2012, shipped in over 1.5 billion devices, and succeeded by the Cortex-A55.
ARM Cortex-A7
The ARM Cortex-A7 is Arm's most energy-efficient 32-bit ARMv7-A processor core, best known as the LITTLE core paired with the Cortex-A15 in the first big.LITTLE system.
ARM Cortex-A725
The ARM Cortex-A725 is a premium-efficiency Arm CPU core announced in May 2024, successor to the Cortex-A720, used in chips like the MediaTek Dimensity 8400.
ARM Cortex-A8
The ARM Cortex-A8 is a 32-bit processor core introduced by Arm in October 2005 as the first to implement Armv7-A, powering early smartphones like the iPhone 3GS and boards like the BeagleBone.
ARM Cortex-A9
The ARM Cortex-A9 is a 32-bit applications processor core from Arm implementing the Armv7-A architecture, announced in 2007 and widely deployed in early-2010s smartphones and tablets.
ARM Cortex-M
ARM Cortex-M, also known as Cortex-M, is a family of 32-bit Arm processor cores optimized for cost- and energy-efficient microcontrollers, spanning the Cortex-M0 through Cortex-M85 and used in IoT devices, industrial equipment, and consumer products.
ARM Cortex-M0+
The ARM Cortex-M0+ is a 32-bit microcontroller processor core announced by Arm in 2012, designed for ultra-low-power devices such as sensors, appliances, and connected Internet of Things products.
ARM Cortex-M3
The ARM Cortex-M3 is a 32-bit Arm processor core announced in 2004 as the first Cortex-family member, implementing the Armv7-M architecture and widely used in microcontrollers and automotive systems.
ARM Cortex-M4
The ARM Cortex-M4 is a 32-bit embedded processor core Arm announced in 2010 for digital signal control, adding DSP instructions and an optional single-precision FPU.
ARM Cortex-M7
The ARM Cortex-M7 is a 32-bit microcontroller core announced by Arm in 2014, built for roughly double the compute and DSP capability of earlier microcontrollers.
ARM Cortex-X925
The ARM Cortex-X925 is a high-performance 64-bit CPU core designed by Arm, announced in 2024 as the successor to the Cortex-X4 with a 15 percent IPC uplift.
Arm Holdings
Arm Holdings, founded in 1990 as Advanced RISC Machines Ltd, is a British company that licenses CPU designs rather than manufacturing chips, powering more than 350 billion chips.
ARM Immortalis-G715
The ARM Immortalis-G715 is a flagship smartphone GPU designed by Arm, announced in 2022 as the first Arm GPU with hardware ray tracing, debuting in the MediaTek Dimensity 9200.
Arm knitting
Arm knitting: a needle-free hand-knitting technique using the forearms as needles, roughly 50 mm each, with super bulky yarn to make chunky blankets and scarves quickly.
Arm Neoverse
Arm Neoverse is Arm's family of CPU cores and platform IP for servers, cloud, networking, and edge, split into V-, N-, and E-series for performance, efficiency, and throughput.
Arm span
Arm span is the distance between the fingertips of the two hands when the arms are held outstretched horizontally, used in growth assessment, respiratory medicine, sports scouting, and Marfan screening.
Arm wrestling
Arm wrestling (armwrestling, armsport): a strength sport where two competitors pin each other's hand to a table pad. Organized since the 1950s-60s (WAF founded 1967, Scranton), contested in 80+ countries, with weight classes, supermatches, and distinctive upper-limb injury risks.
Arm's length principle
Arm's length principle: the international standard, in OECD Model Tax Convention Article 9 and the OECD Transfer Pricing Guidelines, requiring intra-group transfer prices to match those between independent enterprises, tested by comparability analysis and five methods.
ARM7TDMI
ARM7TDMI is a 32-bit RISC microprocessor core from Arm implementing the ARMv4T architecture with both 32-bit ARM and 16-bit Thumb instruction sets, powering GSM phones like the Nokia 6110.
ARM9
ARM9 is a family of 32-bit RISC processor cores developed by Arm, announced in 1997 as a faster successor to the ARM7 and best known as the Nintendo DS main processor.
Arma
The Arma are the descendants of Moroccan soldiers who crossed the Sahara in 1591, conquered the Songhai Empire, and ruled Timbuktu and the middle Niger for two centuries.
Arma Reforger
Arma Reforger is Bohemia Interactive's 2022 Cold War military simulator sandbox on the Enfusion engine, set on Everon, Arland, and Kolguyev, with Conflict, Game Master, and Combat Ops modes, and serving as the testbed for Arma 4.
Armaan Kohli (अरमान कोहली)
Armaan Kohli (अरमान कोहली), born 1972 in Mumbai, is an Indian actor, son of director Rajkumar Kohli; lead debut Virodhi (1992), known for Jaani Dushman (2002), Bigg Boss 7 (2013), and Prem Ratan Dhan Payo (2015).
Armaan Malik (अरमान मलिक)
Armaan Malik (अरमान मलिक), born 1995 in Mumbai, is an Indian playback singer-songwriter from the Malik music family, brother of Amaal Mallik, known for Bol Do Na Zara, Buttabomma, and MTV EMA-winning English pop singles like Control.
Armada
Armada: a large fleet of armed ships, from Spanish armare; best known as the Spanish Armada of 1588, Philip II's 132-vessel invasion fleet defeated by England and wrecked by storms.
Armada (novel)
Armada, Ernest Cline's 2015 science fiction novel from Crown, follows gamer Zack Lightman, whose favorite game is a secret military sim preparing Earth for a real alien invasion. His second novel after Ready Player One; film rights at Universal.