CLD may refer to:

Medicine

Cholesterol-lowering drug Lipid-lowering agents, also sometimes referred to as hypolipidemic agents, cholesterol-lowering drugs, or antihyperlipidemic agents are a diverse group of pharmaceuticals that are used to lower the level of lipids and lipoproteins such as cholestero ...

Chronic liver disease Chronic liver disease in the clinical context is a disease process of the liver that involves a process of progressive destruction and regeneration of the liver parenchyma leading to fibrosis and cirrhosis. "Chronic liver disease" refers to diseas ...

Chronic lung disease Chronic lung disease may refer to: * Asthma * Bronchopulmonary dysplasia * Chronic obstructive pulmonary disease Chronic obstructive pulmonary disease (COPD) is a type of progressive lung disease characterized by long-term respiratory symptoms a ...

Transport

Chelsfield railway station Chelsfield railway station is on the South Eastern Main Line, serving the Chelsfield and Green Street Green areas south of Orpington, in the London Borough of Bromley, south-east London. It is down the line from London Charing Cross and is ...

in Orpington, London (National Rail station code: CLD) * ChairLift Detachable, a classification of a

Detachable chairlift A detachable chairlift or high-speed chairlift is a type of passenger aerial lift, which, like a fixed-grip chairlift, consists of numerous chairs attached to a constantly moving wire rope (called a ''haul rope'') that is strung between two ( ...

McClellan–Palomar Airport McClellan–Palomar Airport (Palomar Airport) is a public airport three miles (5 km) southeast of Carlsbad in San Diego County, California. It is owned by the County of San Diego. The airport is used for both general aviation and commercial ...

in CarLsbaD, California (IATA Code: CLD)

Science and technology

Causal loop diagram A causal loop diagram (CLD) is a causal diagram that aids in visualizing how different variables in a system are causally interrelated. The diagram consists of a set of words and arrows. Causal loop diagrams are accompanied by a narrative which de ...

for modeling dynamic systems * The

Center for Life Detection The Center for Life Detection (CLD) is a collaboration among scientists and technologists from NASA’s Ames Research Center and Goddard Spaceflight Center, which formed in 2018 to support the planning and implementation of missions that will see ...

, a NASA-supported collaboration of researchers in the science of detecting life beyond the Earth * Chaldean Neo-Aramaic (language), in ISO 639-3 code (list of all codes beginning with "c") * , the clear direction flag instruction on x86 compatible CPUs, opposite of *

CLD chromophore CLD-1 is a vibrant blue dye A dye is a colored substance that chemically bonds to the substrate to which it is being applied. This distinguishes dyes from pigments which do not chemically bind to the material they color. Dye is generally appli ...

in organic chemistry and polymeric nonlinear optics * CLD player, a series of Laserdisc players with CD playback from Pioneer *

Color layout descriptor In digital image and video processing, a color layout descriptor (CLD) is designed to capture the spatial distribution of color in an image. The feature extraction process consists of two parts: grid based representative color selection and dis ...

, a summary used in digital image processing to capture the spatial distribution of color in an image * Command Definition Language, for defining commands for use with

DIGITAL Command Language DIGITAL Command Language (DCL) is the standard command language adopted by many of the operating systems created by Digital Equipment Corporation. DCL had its roots in IAS, TOPS-20, and RT-11 and was implemented as a standard across most of D ...

* Configurable Logic Device, synonym for PLD *

Constrained-layer damping Constrained-layer damping is a mechanical engineering technique for suppression of vibration. Typically a viscoelastic or other damping material, is sandwiched between two sheets of stiff materials that lack sufficient damping by themselves. The ...

, a mechanical engineering technique for suppression of vibration * Current limiting diode, otherwise known as constant current diode in electronics

Other

Charles Lutwidge Dodgson Charles Lutwidge Dodgson (; 27 January 1832 – 14 January 1898), better known by his pen name Lewis Carroll, was an English author, poet and mathematician. His most notable works are ''Alice's Adventures in Wonderland'' (1865) and its sequel ...

, the pen name of Lewis Carroll {{Disambiguation