All articles starting with D
24,034 articles
Diglossia
Diglossia: sociolinguistic situation, coined by Charles Ferguson (1959), in which a community uses a codified High variety for formal purposes and a spoken Low variety for conversation; classic cases Arabic, Greek, Swiss German, Haitian Creole; extended by Fishman (1967).
Diglyceride
A diglyceride, more precisely a diacylglycerol (DAG), is a glyceride with two fatty acids esterified to glycerol, serving as a membrane component, lipid precursor, and second messenger.
Diglyceride acyltransferase
Diglyceride acyltransferase (DGAT, EC 2.3.1.20) catalyzes the final step of triglyceride synthesis. Two unrelated enzymes, DGAT1 (MBOAT family) and DGAT2, have non-redundant roles, distinct knockout phenotypes, and clinical and crop-oil relevance.
Diglyme
Diglyme, also known as diethylene glycol dimethyl ether, is a colorless, water-miscible glyme solvent used in organic synthesis, coatings, semiconductor photolithography, and lithium battery electrolytes, and is classified in the EU as toxic to reproduction.
Dignaga
Dignaga (दिङ्नाग) was an Indian Buddhist monk and logician, c. 480 to 540, regarded as the founder of Buddhist logic and epistemology and the teacher whose work Dharmakirti built on.
DIGNIDAD Act
The DIGNIDAD Act is a bipartisan comprehensive immigration reform bill in the US House, introduced by Representatives María Elvira Salazar (R-FL) and Veronica Escobar (D-TX).
Dignity
Dignity is the basic equal worth of all persons grounding rights, contrasted with the older rank-based sense of Latin dignitas; modern meaning stems from Kant's Würde, the 1948 Universal Declaration, and constitutional law.
Dignity Health Sports Park
Dignity Health Sports Park (formerly Home Depot Center, StubHub Center) is AEG's 125-acre Carson, California sports complex, home of the LA Galaxy's 26,000-seat soccer stadium, seven MLS Cups, and an LA28 Olympic venue.
Dignity of risk
Dignity of risk, also called the right to take reasonable risks, is a care ethics principle coined by Robert Perske in 1972 for people with intellectual disabilities, now embedded in disability and aged care law including Australia's Aged Care Act 2024.
Dignity therapy
Dignity therapy is a brief psychotherapy for patients with advanced illness, in which a recorded life-story interview is edited into a legacy document to bequeath to loved ones.
Digory Kirke
Digory Kirke is the C. S. Lewis Narnia character, boy of The Magician's Nephew (1955) who wakes Jadis in Charn and witnesses Narnia's creation, and the Professor (1888–1949) who hosts the Pevensies.
Digoxigenin
Digoxigenin is a cardenolide steroid from Digitalis foxglove plants and the aglycone of digoxin, used as a hapten for non-radioactive labeling of DNA and RNA probes.
Digoxin
Digoxin, a cardiac glycoside from Digitalis lanata, treats mild to moderate heart failure and controls ventricular rate in chronic atrial fibrillation; neutral mortality in trials, narrow therapeutic window.
Digoxin toxicity
Digoxin toxicity, also called digitalis intoxication, is poisoning by the cardiac glycoside digoxin, marked by GI, visual, and cardiac symptoms, hyperkalemia, and arrhythmias; treated with digoxin immune Fab (DigiBind, DigiFab).
Digraph (orthography)
Digraph (orthography): a pair of letters, also called a bigraph, representing one sound, such as English sh, th, ph. Covers consonant and vowel digraphs, trigraphs, ligatures, and the early medieval origin of th, ch, uu in Germanic writing.
Digri
Digri (ڈگری; ڊگهڙي) is a town and tehsil in Mirpur Khas District, Sindh, Pakistan, the district's second largest town; 2023 census: 234,578 tehsil and 41,774 town residents, with Digri Sugar Mills as its main industry.
DIGS study
The Diagnostic Innovations in Glaucoma Study (DIGS) is a longitudinal cohort study at the University of California, San Diego, running since 1995 to find the best methods for detecting glaucoma progression.
DIgSILENT PowerFactory
DIgSILENT PowerFactory is a commercial power system analysis software for modeling generation, transmission, distribution, and industrial electrical networks, developed by DIgSILENT GmbH in Gomaringen, Germany.
Digte
Digte (Danish for "poems") is the body of lyric poetry by Johannes Ewald (1743–1781), Denmark's leading eighteenth-century lyricist, whose "Kong Christian stod ved højen Mast" (1779) became one of Denmark's two national songs.
Digua Robotics (地瓜机器人)
Digua Robotics (地瓜机器人) is a Shenzhen company spun out of Horizon Robotics in 2024 that sells chips, developer kits, and software to robot makers rather than building robots.
Diguanylate cyclase Dgc-like, bacteria
Diguanylate cyclase (DGC, Dgc-like, GGDEF domain) enzymes in bacteria synthesize the second messenger c-di-GMP from two GTP molecules as homodimers, regulating biofilm formation, motility, and virulence; balanced by EAL and HD-GYP phosphodiesterases.
Digvijaya Singh (दिग्विजय सिंह)
Digvijaya Singh (दिग्विजय सिंह), Indian National Congress leader, two-term Chief Minister of Madhya Pradesh 1993–2003, Rajya Sabha MP 2014–2026, known as Diggy Raja.
Digvijaynath
Digvijaynath, the Mahant of the Gorakhnath Math, was an Indian political leader. He joined the Hindu Mahasabha in 1937 and was involved in the Ayodhya movement.
Digvijaysinhji Ranjitsinhji
Digvijaysinhji Ranjitsinhji (दिग्विजयसिंहजी) was the Maharaja Jam Sahib of Nawanagar, reigning from 1933 to 1948, best known for sheltering Polish refugee children during World War II.
Digwa
Digwa, also spelled Deggua (Ge'ez ድጓ), is the main antiphonary of the Ethiopian Orthodox Church, a collection of Ge'ez hymns for the whole liturgical year, traditionally attributed to Saint Yared.
Dihedral angle
A dihedral angle is the angle between two intersecting planes, measured on a plane normal to their shared edge; it describes faces of polyhedra and molecular torsion.
Dihedral group
The dihedral group is the group of symmetries of a regular n-sided polygon, consisting of n rotations and n reflections for 2n elements, and is a standard first example of a finite non-abelian group.
Dihedral group of order 8
The dihedral group of order 8, also called the symmetry group of a square, is the group of the eight symmetries of a square: four rotations and four reflections.
Dihmit South
Dihmit South, also printed Dehmit South, is a fortified ancient mining settlement east of Aswan, Egypt, on the east bank of Lake Nasser, first surveyed in 2023.
Dihok
Dihok (Duhok, Dohuk; Syriac Nohadra) is the capital of Duhok Governorate in Iraq's Kurdistan Region, founded as a town in 1887 under Ottoman rule, a governorate seat since 1969, a university city, and a major refuge for displaced people since 2014.