All articles starting with H
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Hyderabad coinage and currency
Hyderabad coinage and currency (حیدرآباد سکہ) is the coinage and paper money of the Princely State of Hyderabad, founded around 1724, whose Osmania Sicca notes were demonetised in 1959.
Hyderabad Contingent
The Hyderabad Contingent (فوج نظام حیدرآباد) was the regular military force of the Nizam of Hyderabad, raised from 1812 by Henry Russell and organized on East India Company lines.
Hyderabad Disaster Response and Asset Protection Agency
HYDRAA (Hyderabad Disaster Response and Asset Protection Agency), Telangana agency created 19 July 2024 under G.O.Ms.No.99 for disaster response and protecting lakes, parks, and government lands from encroachment across the CURE region.
Hyderabad District
Hyderabad district (Telugu: హైదరాబాద్ జిల్లా) is Telangana's fully urban city-district covering the state capital's core: smallest of 33 districts at 217 sq km, highest density at 18,172 per sq km, 3.94 million people (2011), 16 mandals, two revenue divisions.
Hyderabad FC
Hyderabad FC, an Indian Super League football club founded in 2019 by Vijay Madduri and Varun Tripuraneni, won the 2021-22 ISL title under Manolo Marquez, then collapsed financially and was rebranded Sporting Club Delhi in 2025.
Hyderabad Kingsmen (حيدرآباد کنگزمین)
Hyderabad Kingsmen (حيدرآباد کنگزمین), originally Hyderabad Houston Kingsmen, is a Pakistani T20 franchise in the Pakistan Super League, founded 8 January 2026, owned by FKS Group's Fawad Sarwar for PKR 1.75 billion/year, PSL 11 runners-up in debut season.
Hyderabad Metro (హైదరాబాద్ మెట్రో)
Hyderabad Metro, also known as Hyderabad Metro Rail (హైదరాబాద్ మెట్రో), is a rapid transit system serving Hyderabad, India, with 69.2 km of elevated track and 57 stations.
Hyderabad State
Hyderabad State, the Asaf Jahi (Nizam) princely state founded 1724 in the Deccan, was India's premier princely state until its 1948 integration and 1956 linguistic split into Andhra Pradesh, Bombay, and Karnataka.
Hyderabad State Forces
The Hyderabad State Forces (حیدرآباد ریاست کی فوج) were the army of the Nizam of Hyderabad, a princely state in the Deccan, from the 1720s until 1948.
Hyderabad–Amaravati Greenfield Expressway
The Hyderabad–Amaravati Greenfield Expressway is a proposed six-lane, access-controlled expressway linking Hyderabad with Amaravati on a new alignment, planned near 298 km and still at the DPR stage in late 2025.
Hyderābād, Sindh
Hyderābād (حیدرآباد), Sindh, Pakistan's second-largest city, founded 1768 by Mian Ghulam Shah Kalhoro on Neroon Kot; Talpur capital until 1843, glass-bangle center, 1.92 million people (2023 census), distinct from Hyderabad, India.
Hyderabadi biryani
Hyderabadi biryani, from Hyderabad, India, is a dum-cooked kacchi-style dish of raw marinated meat and basmati rice from Nizam-era kitchens, distinct from Lucknowi pakki and Kolkata potato biryanis.
Hydnaceae
Hydnaceae (Chevall., 1826), also treated as Cantharellaceae, is a family of Cantharellales basidiomycete fungi containing chanterelles, Craterellus, and Hydnum; seventeen genera confirmed, mostly ectomycorrhizal, edible, worldwide.
Hydnellum peckii
Hydnellum peckii, the bleeding tooth fungus or strawberries and cream, is an inedible Bankeraceae tooth fungus whose young caps exude red droplets and whose peppery flesh contains the anticoagulant atromentin; it grows mycorrhizally with conifers in North America and Europe.
Hydnocarpus kurzii
Hydnocarpus kurzii, commonly called chaulmoogra, is a dioecious evergreen tree native from Assam to Peninsular Malaysia whose seed oil was a standard historical treatment for leprosy.
Hydra
Hydra is a name shared by two primary referents: the Lernaean Hydra, a many-headed serpent of Greek mythology, and Hydra, a genus of simple freshwater animals.
Hydra (comics)
Hydra is Marvel Comics' fictional terrorist organization, debuting in Strange Tales #135 (1965) by Stan Lee and Jack Kirby as S.H.I.E.L.D.'s enemy, led by Baron Strucker and the Red Skull, tied to Nazism, and central to the 2017 Secret Empire storyline.
Hydra (constellation)
Hydra is the largest of the 88 constellations, a long, faint female water snake stretching across more than 3% of the sky, representing the monster slain by Hercules.
Hydra (genus)
Hydra (genus) is a genus of small freshwater cnidarian polyps in Hydrozoa, family Hydridae, famed for regenerating whole animals from fragments; four species groups, ~200 mya origin, green H. viridissima hosts Chlorella.
Hydra (Ύδρα) (island)
Hydra (Ύδρα), a car-free Greek island in the Argo-Saronic Gulf about 69 km from Piraeus, ~50 km², ~2,070 residents (2021); leading naval power of the 1821 Greek War of Independence with 186 ships.
Hydra 70
Hydra 70, also known as the Hydra rocket, is a family of 2.75-inch (70 mm) unguided air-to-ground rockets fired by fixed-wing and rotary-wing US military aircraft.
Hydra game
The hydra game is a mathematical process, introduced by Laurie Kirby and Jeff Paris in 1982, in which a player cuts heads from a regrowing tree and always wins.
Hydra Head Records
Hydra Head Records was an American independent record label for metal and experimental music, founded by Aaron Turner of Isis, which announced its closure in 2012 after 17 years.
Hydra–Centaurus Supercluster
The Hydra–Centaurus Supercluster, or Hydra–Centaurus concentration, is a nearby complex of galaxy clusters in the southern sky that supplies much of the mass of the Great Attractor.
Hydrachnidia
Hydrachnidia (water mites; Hydrachnidiae, Hydracarina) are freshwater mites, nearly 6,000 species, the largest arachnid group in fresh water, with parasitic larvae and predatory adults, valuable but widely neglected bioindicators of stream and spring water quality.
Hydralazine
Hydralazine, a direct arteriolar vasodilator antihypertensive introduced in 1951, treats severe hypertension in pregnancy, resistant hypertension, and, with isosorbide dinitrate, Black patients with heart failure; key risk is drug-induced lupus.
Hydralazine/isosorbide dinitrate
Hydralazine/isosorbide dinitrate (BiDil) is a fixed-dose vasodilator combination for heart failure with reduced ejection fraction, best evidenced in self-identified Black patients by A-HeFT, which showed 43% lower mortality.
Hydramethylnon
Discovered by American Cyanamid in 1977, Hydramethylnon is a slow-acting Group 20A insecticide and mitochondrial complex III electron transport inhibitor used in popular household baits.
Hydranencephaly
Hydranencephaly is a rare congenital malformation in which the cerebral hemispheres are absent and replaced by a cerebrospinal fluid-filled sac, usually caused by blocked carotid arteries in the womb.
Hydrangea
Hydrangea, a genus of shrubs and climbers including H. macrophylla, arborescens, paniculata, and quercifolia; pH-sensitive flower color, old-wood versus new-wood pruning, and RHS trial results.