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All articles starting with D

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Druze

The Druze, known to adherents as Ahl al-Tawhid, are an ethnoreligious Levantine community whose monotheistic faith emerged in 1017 in Fatimid Cairo and is practiced mainly in Syria, Lebanon, Israel, and Jordan.

Druze community of Mount Lebanon

The Druze community of Mount Lebanon (الدروز في جبل لبنان) was the organized Druze community of the Chouf district, ruled through hereditary tax-farming houses under the Shihab emirs.

Druze in Israel

The Druze in Israel are an Arabic-speaking religious minority recognized by the state as a separate community and are uniquely subject to compulsory military service in the Israel Defense Forces.

Druzhba Narodov

Druzhba Narodov (Дружба народов, "Friendship of Peoples") is a Russian literary and socio-political monthly journal published in Moscow since 1939, originally an almanac of the Soviet republics' literatures.

Druzhba Oil Pipeline

The Druzhba oil pipeline (Дружба, "Friendship") is one of the world's largest crude oil pipelines, carrying Russian oil from the Volga-Ural region through Belarus and Ukraine to Central Europe since 1963.

Druzhina

The druzhina (Дружина) was the armed retinue of a prince in early Rus', serving as his military core, advisers, and administrative apparatus; it took shape in the 9th century.

Druzhnoye Oil and Gas Field

Druzhnoye (Дружное) field is an oil field in the Surgut district of West Siberia, Russia, discovered in 1983 and developed since 1985 by LUKOIL-Western Siberia.

DRW

DRW, also known as DRW Holdings, is a Chicago-based proprietary trading firm founded by Don Wilson in 1992 that trades its own capital with no outside investors.

Dry anaerobic digestion

Dry anaerobic digestion, or high-solids anaerobic digestion, breaks down organic waste such as food waste and manure without oxygen at 15–40% solids, producing methane-rich biogas.

Dry ashing

Dry ashing is a sample-preparation method in analytical chemistry in which organic material is heated in air, typically in a muffle furnace, until only inorganic ash remains.

Dry basis

The dry basis, or dry matter basis, reports a material's composition, such as coal, feed, or stack gas, with all water excluded so values can be compared.

Dry beriberi

Dry beriberi (乾性脚気, ICD-11 5B5A.00) is the neurologic form of thiamine (vitamin B1) deficiency, causing symmetric stocking-glove polyneuropathy with burning feet, unlike wet beriberi's heart failure; treated with thiamine.

Dry cask storage

Dry cask storage stores spent nuclear fuel in sealed steel cylinders surrounded by concrete for radiation shielding, first licensed by the NRC at Virginia's Surry plant in 1986.

Dry cell

A dry cell is an electrochemical battery with a paste electrolyte instead of free liquid, making it spill-proof; alkaline and carbon-zinc cells power flashlights and remotes.

Dry cleaning

Dry cleaning, despite its name, washes garments in liquid organic solvents like perchloroethylene rather than water, a trade dating to turpentine spot cleaning in 1690.

Dry coating (battery manufacturing)

Dry coating, also called dry battery electrode (DBE) processing, is a solvent-free method of making lithium-ion battery electrodes by forming dry powder into a film applied directly to the foil.

Dry Combat Submersible

The Dry Combat Submersible (DCS) is a Lockheed Martin-built mini-submarine that carries US special operations forces in dry, one-atmosphere comfort, reaching initial operational capability in 2023.

Dry county

Dry county: a US county banning alcohol sales. Also moist and wet counties under local option. About 37 fully dry counties remain as of 2026, clustered in the Bible Belt, rooted in the 21st Amendment's delegation of alcohol regulation to states.

Dry cow therapy

Dry cow therapy is the infusion of long-acting antibiotics into a dairy cow's teats at the end of lactation, curing existing udder infections and preventing new ones.

Dry Day

Dry Day (ड्राई डे) is a 2023 Hindi comedy-drama directed by Saurabh Shukla, starring Jitendra Kumar, Shriya Pilgaonkar, and Annu Kapoor, released on Prime Video December 22, 2023; an alcoholic campaigns to ban alcohol in fictional Jagodhar.

Dry dock

A dry dock, also called a graving dock, is a basin from which water is pumped out so a ship's hull below the waterline can be repaired.

Dry electrode processing

Dry electrode processing is a solvent-free method of making lithium-ion battery electrodes from dry powders instead of slurry coating, eliminating toxic solvents like NMP and cutting drying costs.

Dry etching

Dry etching removes material from a substrate using plasma-generated reactive radicals and energetic ions instead of liquid chemicals, transferring lithographic mask patterns into films such as silicon and silicon dioxide.

Dry eye syndrome

Dry eye syndrome (keratoconjunctivitis sicca, dry eye disease): multifactorial loss of tear film homeostasis causing burning, blurry vision, and surface damage; affects about 8% of US adults, treated with artificial tears, anti-inflammatory drops, and devices.

Dry heat sterilization

Dry heat sterilization kills microorganisms with hot air (160–180°C cycles) by oxidation, for items steam cannot treat: powders, oils, glass, sharp metal instruments; also used for depyrogenation and NASA spacecraft hardware.

Dry ice

Dry ice, also sold as Cardice, is the solid form of carbon dioxide, used as a refrigerant because it sublimes directly to gas at −78.5 °C, leaving no liquid residue.

Dry intrusion

A dry intrusion is a stream of cold, very dry air that descends from the upper troposphere behind a cyclone's cold front, producing the cloud-free dry slot.

Dry Leaf

Dry Leaf (ხმელი ფოთოლი) is a 2025 Germany-Georgia road film by Alexandre Koberidze, 186 minutes, shot on a Sony Ericsson W595 phone, about a father searching rural Georgia's football fields for his missing photographer daughter; Locarno Special Mention and FIPRESCI winner.

Dry lubricant

A dry lubricant, or solid lubricant, is a solid material that reduces friction and wear without oil or grease, using materials like graphite, molybdenum disulfide, and PTFE.

Dry machining

Dry machining is metal cutting without cutting fluid, relying on coated tools, tool geometry, and adjusted cutting parameters to manage heat, cutting fluid costs, and health hazards.