All articles starting with D
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Dry milling (ethanol production)
Dry milling, also called the dry-grind process, is the dominant method of producing fuel ethanol from corn in the United States, accounting for about 90% of U.S. ethanol output.
Dry needling
Dry needling, also called intramuscular stimulation, is a technique in which thin, solid needles are inserted into myofascial trigger points without injecting any drug, used to treat neuromusculoskeletal pain.
Dry plate
A dry plate is a glass photographic negative plate with a gelatin emulsion, introduced by Richard Leach Maddox in 1871 and dominant from 1880 to 1900.
Dry Powder Inhalers
Dry powder inhalers (DPIs) are propellant-free, breath-actuated inhaler devices delivering powdered asthma and COPD drugs to the lungs; lineage runs from the 1948 Aerohalor and 1967 Spinhaler to over 20 marketed devices with pMDI-equivalent efficacy.
Dry pressing
Dry pressing, also called conventional powder pressing, is a ceramic forming process in which a nearly dry powder is compacted in a rigid die and then sintered.
Dry reforming of methane
Dry reforming of methane (DRM) is a catalytic process converting methane and carbon dioxide into synthesis gas, a hydrogen and carbon monoxide mixture usable for fuels.
Dry Spell (song)
"Dry Spell" is a 2026 country single by Kacey Musgraves, released March 11, 2026 on Lost Highway as the lead single from Middle of Nowhere; written with Luke Laird, Shane McAnally, and Josh Osborne, it counts 335 days without sex, peaked at No. 15 on Country Airplay, and earned a CMA Song of the Year nomination.
Dry stack tailings
Dry stack tailings, also called filtered tailings, are mine tailings dewatered to a moist, transportable cake and compacted into stable, unsaturated stacks that need no retaining dam or tailings pond.
Dry sump
A dry sump, or dry sump lubrication, is an engine lubrication system storing oil in an external tank, with scavenge pumps keeping the crankcase dry; widely used in aircraft.
Dry Tortugas Light
The Dry Tortugas Light is an 1858 lighthouse on Loggerhead Key in the Dry Tortugas, Florida, an active aid to navigation until it stopped working in 2014.
Dry Tortugas National Park
Dry Tortugas National Park: remote 100-square-mile U.S. national park about 70 miles west of Key West, Florida, with seven islands, Fort Jefferson (largest all-masonry fort in the Americas), coral reefs, seabird nesting keys, boat-or-seaplane-only access, and no fresh water.
Dry Valley
Dry Valley (Russian: Sukhodol), also known as Drydale, is a novella by Ivan Bunin, first published in 1912, chronicles the degradation of the Khrushchev gentry family.
Dry van trailer
A dry van trailer is an enclosed, unrefrigerated semi-trailer that hauls palletized freight needing weather protection but no temperature control, the most common type in North American trucking.
Dry water
Dry water, also called empty water, is a powder in which water droplets coated in hydrophobic silica release liquid under stress, studied for gas storage and carbon capture.
Dry well
A dry well, also called a soak well or soak pit, is an underground structure that disposes of stormwater runoff by infiltrating it into the soil.
Dry-crosslinking tough tissue adhesives
Dry-crosslinking tough tissue adhesives bond to wet tissue by absorbing interfacial water and then forming physical and covalent crosslinks, introduced as MIT's 2019 dry double-sided tape.
Dry-type transformer
A dry-type transformer is a power or distribution transformer insulated and cooled by air and solid materials like epoxy resin instead of oil, favored indoors for fire safety.
Dryad
Dryad (Greek Δρυάς, also Hamadryad Ἁμαδρυάς): Greek tree nymph, from drus 'oak'; hamadryads were born and died with their trees; attested from Pausanias, Apollonius, Virgil, Ovid.
Dryas
Dryas is a genus of dwarf shrubs in the rose family, native to subarctic and subalpine regions of the Northern Hemisphere and best known for the mountain avens.
Dryas Mons
Dryas Mons is a 267 km-wide mountain massif in Terra Sirenum, Mars, named by the IAU in 2020 for a classical albedo feature; its sheet flow deposits are attributed to hydrothermal icy-debris flows.
Dryas octopetala
Dryas octopetala, mountain avens or eightpetal mountain-avens, is a circumpolar arctic-alpine evergreen subshrub of Rosaceae with usually eight-petaled white flowers; it names the Older and Younger Dryas cold periods and is Iceland's national flower.
Dryburgh Abbey
Dryburgh Abbey is the ruin of a Premonstratensian monastery founded in 1150 on the River Tweed in Roxburghshire, Scotland, and the burial place of Sir Walter Scott.
Dryden Vos
Dryden Vos is a fictional Star Wars crime lord, the public face of the Crimson Dawn syndicate in Solo: A Star Wars Story (2018), played by Paul Bettany, based aboard the yacht First Light, secretly answering to Darth Maul, and killed by Qi'ra with his own Kyuzo petar in 10 BBY.
Drygalski (lunar crater)
Drygalski, a large complex lunar impact crater near the Moon's south pole (IAU 1964), named for German polar scientist Erich von Drygalski; about 162 km across with a plagioclase central peak and satellite craters P, Q (Ashbrook), V.
Dryhill Roman villa (United Kingdom)
Dryhill Roman villa: scheduled Roman villa (list entry 1004848) at Badgeworth, Gloucestershire, near Crickley Hill. Excavated 1849; twelve-room corridor villa rustica with hypocaust, no mosaics; coins to Valens c. 378 AD.
Drying oil
A drying oil is an oil, usually a vegetable oil, that hardens into a solid film when exposed to air, used since the fifteenth century as the medium of oil paints.
Dryinidae
Dryinidae (pincer wasps, dryinid wasps), family of solitary chrysidoid wasps; larvae parasitize Auchenorrhyncha hoppers; females bear pincer-like fore tarsi; over 1900 species worldwide except Antarctica.
Dryland farming
Dryland farming, also called dry farming, is rain-fed semiarid agriculture conserving soil moisture without irrigation, practiced where rainfall is often under 10-12 inches; known for Great Plains history, fallowing, and conservation tillage.
Drylands
Drylands: A Book for the World's Last Reader is a 1999 novel by Thea Astley, set in a drought-stricken Queensland town, her final novel and fourth Miles Franklin Award winner.
Dryline
A dryline is a boundary separating moist Gulf of Mexico air from dry desert air, typically running north to south across the Great Plains in spring.