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Clyde E. Kesler
Clyde E. Kesler (1922–2011) was an American civil engineer and University of Illinois professor whose research established how concrete behaves under fatigue, fracture, and creep.
Clyde L. Briant
Clyde L. Briant, full name Clyde Leonard Briant, is an American materials scientist who spent 18 years at General Electric and 26 years at Brown University.
CM-400
The CM-400, best known through its CM-400AKG export variant, is a Chinese air-launched supersonic missile made by CASIC that dives on targets at Mach 4 to 5.
CMA CGM
CMA CGM, also known as the CMA CGM Group, is a French container shipping and logistics group headquartered in Marseille, founded in 1978, and the world's third-largest container line.
CMake
CMake is an open-source build-system generator created at Kitware in 2000; projects describe their build in CMakeLists.txt files, and CMake generates Makefiles, Ninja files, or IDE projects.
CMB.TECH
CMB.TECH is a Belgian diversified maritime group headquartered in Antwerp with a fleet of about 235 ocean-going vessels, formed when Euronav took the name in 2024.
CMBlu Energy AG
CMBlu Energy AG is a German energy storage company in Alzenau, founded in 2014, whose lithium-free Organic SolidFlow battery provides 10 or more hours of storage.
Cmd.exe
Cmd.exe, also known as Command Prompt, is the default command-line interpreter of the Windows NT family, first shipped with Windows NT 3.1 in 1993; it executes commands and batch files and remains supported for backward compatibility.
CMF by Nothing
CMF by Nothing, shortened to CMF, is a budget consumer technology brand launched by London-based Nothing in 2023; its first smartphone, the modular CMF Phone 1, arrived in 2024.
CMF Phone 2 Pro
The CMF Phone 2 Pro is a budget Android smartphone from Nothing's CMF sub-brand, released in April 2025 with a triple camera and modular accessories.
CMMLU
CMMLU, or Chinese Massive Multitask Language Understanding, is a Chinese-language knowledge benchmark for large language models with 11,528 multiple-choice questions across 67 subjects, released in June 2023.
CMOS
CMOS (Complementary Metal-Oxide Semiconductor) is a semiconductor technology designed for low power. Invented in 1963 by Fairchild researchers, it is the leading process for microprocessors and memory.
CMOS inverter
A CMOS inverter is a logic circuit of one p-channel and one n-channel MOS transistor that outputs the complement of its input while drawing almost no static current.
CMSIS-RTOS
CMSIS-RTOS is a standardized real-time operating system API published by Arm for Cortex-M microcontrollers; it is a layer over an existing RTOS kernel, not a kernel itself.
CMU Graphics Lab Motion Capture Database
The CMU Graphics Lab Motion Capture Database is a free, public collection of optical motion capture recordings of human movement, hosted by Carnegie Mellon University with over 140 subjects.
CMYK color model
The CMYK color model, also known as process color, is the subtractive four-ink method behind most commercial color printing, combining cyan, magenta, yellow, and black inks to reproduce thousands of colors.
CN gas
CN gas, the military code for 2-chloroacetophenone, is a tear gas developed in 1918 and the original active ingredient of Mace spray, later replaced by CS.
CNAME record
A CNAME record is a DNS record that maps an alias domain name to its canonical name, where the real records live. It was defined in RFC 1034 in 1987.
CNC milling
CNC milling is a subtractive manufacturing process using computer-controlled rotating cutting tools to produce precision prismatic parts, distinct from turning because the tool spins rather than the workpiece.
CNC router
A CNC router is a computer-controlled cutting machine that removes material with a rotating bit along three axes, used in cabinet making, sign making, woodworking, and furniture fabrication.
CNEL EP
CNEL EP (Corporación Nacional de Electricidad) is Ecuador's state-owned strategic public electricity company, created in 2013, whose distribution concession covers 44 percent of the national territory and supplies about half the population.
CNES
CNES, the Centre National d'Études Spatiales, is the French government space agency, created in 1961 under General de Gaulle and headquartered as France's space program agency.
CNGR
CNGR, fully CNGR Advanced Material Co., Ltd., is a Chinese company founded in 2014 that supplies cathode precursors and other battery materials, ranked world's largest ternary precursor supplier from 2020 to 2024.
CNGR Advanced Material
CNGR Advanced Material is a Chinese company founded in 2014 and headquartered in Tongren, Guizhou, that produces cathode precursors and nickel, cobalt, phosphorus, and sodium battery materials.
CNH Industrial
CNH Industrial N.V. is an agricultural and construction equipment maker formed in 2013 from Fiat Industrial and CNH Global, whose brands include Case IH and New Holland.
CNN-BiLSTM model
A CNN-BiLSTM model is a hybrid deep learning architecture in which convolutional layers extract local features and a bidirectional LSTM encodes temporal context, applied to forecasting, text classification, and anomaly detection.
CNN-LSTM
A CNN-LSTM is a hybrid deep learning architecture where convolutional layers extract spatial features from each step of a sequence and LSTM layers model how those features evolve over time.
CNNIC
The China Internet Network Information Center (中国互联网络信息中心, CNNIC) is the Chinese state agency, founded in 1997, that runs the .CN registry, allocates IP addresses, and publishes statistical reports.
CNOOC Zhongshan Jiaming Gas power station
The CNOOC Zhongshan Jiaming Gas power station (中海油中山嘉明电厂), also known as Zhongshan Hengmen Power Station, is a gas-fired cogeneration plant in Zhongshan, Guangdong, with about 2,410 MW capacity.
CNP-1000
The CNP-1000 is a Generation II three-loop pressurized water reactor developed by China National Nuclear Corporation and rated at about 1,000 MWe, with six units operating at Fuqing and Tianwan.